Tryto reboot your ASUS ZENFONE PEGASUS 3S phone. Remove the SIM card (s) and insert it/them again. If the problem persists, purchase a new SIM card. Check if there is any damage to the SIM card or SIM card holder. Go to Network Settings and check if the specified SIM is activated. Checkout if the flash for ASUS ZenFone 4 Selfie Lite is available. The below files contains the official stock ROM for ASUS devices. Find your model or firmware file to download your firmware. Inpreparation for answering the research question (s) and. testing the research hypothesis (es), the researcher has to. decide what. Aug 14, 2021 Ā· In this guide, we will show you the steps to unbrick a hard-bricked Asus ROG Phone 3 device via EDL Mode. There's no denying the fact that devices from Asus have managed to carve out a rich CaraFlash Asus ZenFone 4 ZE554KL via SD Card. Pertama download dulu firmware Asus ZenFone 4 ZE554KL recovery disini. Pastikan download sesuai SKU Asus yang kalian gunakan. Untuk upgrede/update, pilih firmware terbaru atau paling atas. Harap baca deskripsi di link tersebut. Untuk downgrade/flash, pilih paling bawah atau versi dibawahnya saat ini. FirmwareAsus Zenfone Pegasus 3 [X008] Tested; Firmware Asus T001 T45 Tested Flash File; Firmware Hisense L695 Pure Shoot Plus Unbricked File; Firmware Asus Pegasus X002 Free Download; Firmware Oppo A59st Unbricked File Flash [MT6750] Firmware Oppo R9s Pro CPH1611 Tested Backup CM2 February (1) January (4) 2017 (85) rangsangan atau gerak hati yang timbul dengan tiba tiba. BIOS & FIRMWARE Driver & Tools BIOS & FIRMWARE Firmware ASUS ZenFone 4 ZE554KL ASUS_Z01KD* Software downgrade from Android P to target Image Version Android 8 Oreo for WW SKU only* Please follow steps and ensure to backup data before downgrade. Versi ZE554K_P_downgrade_to_O GB 2020/02/25 Steps of Update the patch system will detect new executing the patch, the system will reboot the system boot on, the firmware version will be recover to Android O.*How to know the device model? Path Settings->About-> Model numberExample ASUS PadFone2**How to know the device software version? Path Settings->About-> software information->Build numberExample upgrade may cause part of data missing, please backup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only**JP and Operator sku did not include this version Versi GB 2020/02/25 Improved Item1. Upgrade to Android P 2. Update google security patch 3. Fixed random audio noise issue on phone call and notification sound*JP and Operator sku did not include this version• Android 9 Pie Beta version is now available for download. • This is the Android 9 Pie Beta version, so the user experience will be different from Android 8 Oreo. If you are used to and prefer using Android 8 Oreo, we recommend that you continue with the Android 8 Oreo version. Steps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only* Versi GB 2019/09/27 Improved Item1. Update Google security patch Steps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only* Versi GB 2019/07/30 Improved Item1. Update security patch Steps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only* Versi GB 2019/05/27 Improved Item1. Update security patch 2. Update Google GMS Steps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only* Versi GB 2019/03/25 Improved Item1. Google security patch update to 2019-032. Google Mobile Services GMS version update to 201812 r1Steps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only* Versi GB 2019/01/21 Improved Item1. 2019-01 Google security patch updated2. Google Mobile Services GMS version 201810 upgraded3. System charging stability optimizedSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only* Versi GB 2018/12/06 Improved Item1. Fix internet connecting issue2. Add DSDV feature3. Improve system stabilitySteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only* Versi GB 2018/09/19 Improved Item1. 2018-08 Google security patch updated2. Google Mobile Services GMS version upgraded3. GPS positioning OptimizedSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only* Versi GB 2018/08/29 Improved Item1. Google security patch update 2018-072. Google Mobile Services GMS upgrade to version Screenshot stability OptimizedSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only* Versi GB 2018/07/27 Improved Item1. Fix accidental can't connect bluetooth in car machine2. Fix Twin apps can't receive message immediately3. Fix accidental home key no feedbock after unlockSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for H3G only* Versi GB 2018/07/19 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services GMS upgrade to version of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for JP only* Versi GB 2018/07/19 Improved Item1. Update 2018-06 security patch2. Privacy Setting update3. Update GMS version to of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for TIM only* Versi GB 2018/07/19 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services GMS upgrade to version of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP Versi GB 2018/07/19 TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WIND only* Versi GB 2018/07/17 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services GMS upgrade to version of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for VF_IT only* Versi GB 2018/07/17 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services GMS upgrade to version of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW only* Versi GB 2018/07/12 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services GMS upgrade to version of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for JP only* Versi GB 2018/06/19 Improved Item1. Update Security patch WiFi connection quality improve3. Google Mobile Services GMS upgrade to version Update APN listSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2018/06/19 Improved Item1. Google security patch update2. Fix Entity key touch screen problem3. Update DIT library for Improve HDR performanceSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WIND SKU only* Versi GB 2018/06/07 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services upgrade to version Improve ZenUI Keyboard5. WiFi connection quality improve6. Update to Android Steps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for VF_IT SKU only* Versi GB 2018/06/07 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services upgrade to version Improve ZenUI Keyboard5. WiFi connection quality improve6. Update to Android Steps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for TIM SKU only* Versi GB 2018/06/07 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services upgrade to version Improve ZenUI Keyboard5. WiFi connection quality improve6. Update to Android Steps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for OP_SG SKU only* Versi GB 2018/06/07 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services upgrade to version Improve ZenUI Keyboard5. WiFi connection quality improve6. Update to Android Steps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for OP_SG SKU only* Versi GB 2018/06/07 TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for H3G SKU only* Versi GB 2018/06/07 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services upgrade to version Improve ZenUI Keyboard5. WiFi connection quality improve6. Update to Android Steps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2018/05/25 Improved Item1. Privacy Setting update2. Google security patch update3. Google Mobile Services upgrade to version Improve ZenUI Keyboard5. WiFi connection quality improveSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for JP SKU only* Versi GB 2018/05/02 Improved Item1. Update to Android Update Google security patchSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2018/04/10 Improved Item1. Fix Wi-Fi roaming problem2. Google security patch update3. GMS upgrade4. Improve Camera App stabilitySteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for H3G SKU only* Versi GB 2018/03/28 TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for H3G TIM only* Versi GB 2018/03/28 TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WIND SKU only* Versi GB 2018/03/26 TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for TIM SKU only* Versi GB 2018/03/20 TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for H3G SKU only* Versi GB 2018/03/20 TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WIND SKU only* Versi GB 2018/03/20 TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for VF_IT SKU only* Versi GB 2018/03/16 TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2018/02/07 Improved Item1. Gallery app Update- for Power Consumption Improvement2. Update Google GMS3. Update Google Security PatchSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image:JP/ for JP/WW SKU only* Versi GB 2018/02/07 Improved Item1. Gallery app Update- for Power Consumption Improvement2. Update Google GMS3. Update Google Security PatchSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2018/01/15 Improved Item1. System Stability improvement2. Fix voice cracking and glitching in outdoor mode3. Fix abnormal notification sound when make recordingsSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2017/12/14 Improved Item1. power consumption improvement2. system stability improvementSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2017/11/20 Improved Item1. Camera AP Stability Improvement System locking up after selfie in CHT VoWiFi EnabledSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2017/11/02 Improved Item1. Phone Touch Experience Improvement2. Camera IQ improvementSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2017/10/03 Improved Item1. WiFi performance improvement2. Camera IQ improvemenSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2017/08/31 Improved Item1. Remove " ArcSoft " words from Super Resolution2. Google security patch update for MSM chipsetsSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP ASUS ZenFone 4 ZE554KL software Image: for WW SKU only* Versi GB 2017/08/31 Improved Item1. Improve WIFI connectivity2. Fix FB with twin function3. Fix QR code for adding friend with TwitterSteps of Update 1. Check software version of your device**2. Download device software and Update SOP From ā€œManualā€ Item3. Only apply to same SKU update, Example WW->WW, CN->CN, TW-> Software update cannot transfer the software SKU and downgrade the software Wrong SKU may cause update failure, please update the same SKU version only. **How to know the device model? Path Settings->About-> Model number Example ASUS PadFone2 **How to know the device software version? Path Settings->About-> software information->Build number Example upgrade may cause part of data missing, please buckup your important data before system upgrading. TAMPILKAN DESKRIPSI LENGKAP Perlihatkan semua Today we have the latest firmware flash file for the Asus ZenFone 4 ZE554KL powered by a Qualcomm Snapdragon 630 / 660 processor. To install the firmware flash file, we need software called the QFil Flash tool which can be helpful to flash the stock ROM on your device. The method is simple and easy. This process is helpful if you have bricked your device, lag, or shuttering performance, to fix Bluetooth and WiFi issues, or to unroot or bypass the FRP lock. So without wasting our time, let’s understand what a stock firmware flash file is. Page ContentsAsus ZenFone 4 Device OverviewAdvantages of Stock ROMFirmware DetailsSteps to Flash Asus ZenFone 4 ZE554KL Firmware FilePre-RequirementsDownload Flash FilesMethod 1 Instructions to Install via RecoveryMethods 2 Install RAW Firmware zip fileMethod 3 Instructions to Install via ADB SideloadMethod 4 Instructions to Install via QFIL Tool Asus ZenFone 4 Device Overview Asus ZenFone 4 features a display with a screen resolution of 1080 x 1920 pixels with Corning Gorilla Glass 4 protection. The smartphone is powered by Octa-core 4Ɨ GHz Cortex-A53 & 4Ɨ GHz Cortex A53 and Qualcomm Snapdragon 630 processor coupled with 4GB of RAM. The phone packs 64GB internal memory, which can also be expanded up to 256GB via microSD card. The camera on the Asus ZenFone 4 comes with a Dual 12 MP + 8 MP rear camera with autofocus and dual-LED dual tone flash and an 8MP front shooting camera. Asus ZenFone 4 runs on Android Nougat out of the box and has a Non-removable Li-Ion 3300 mAh battery. It also has a Fingerprint sensor on the front. The handset supports a dual sim with 4G on both slots. It has connectivity options such as Bluetooth, Wifi, USB OTG, FM, 3G, and 4G. Advantages of Stock ROM Here are the answers to why you need to download and save the ZenFone 4 Stock ROM flash file on your computer. If your device is dead, you can unbrick using the Stock ROM file You can fix or repair the IMEI on your device using DB files from Stock ROM Remove any malware or Adwares from ZenFone 4 You can fix the boot loop issue on ZenFone 4 Fix Unfortunately, the app has stopped errors on ZenFone 4 Fix Network related issue Patch Boot image to Root using Magisk You can unroot ZenFone 4 To Reset or Remove FRP on your device Restore ZenFone 4 to Factory State Firmware Details Device Name Asus ZenFone 4 ZE554KL ROM Type Stock ROM Gapps File Included Tool Supported QFil Flash tool Processor Qualcomm Snapdragon 888+ 5G Processor Android Version Android 11 Before installing the Stock ROM on your ZenFone 4, you should download the firmware flash file. Then download and install the USB Drivers and flash tool on the PC as well. Once you’re done with these, you can proceed to the steps below. But let’s take a quick look at the Stock Firmware importance and firmware details below. Pre-Requirements Supported device Asus ZenFone 4 ZE554KL Make sure to charge your device more than 50% It would be best if you had a PC or Laptop with a USB cable. Take a complete backup using any method given below Full Data Backup without Root Nandroid Backup via TWRP Download Flash Tool QFil Flash Tool or QPST Flash tool Download Drivers Qualcomm USB Drivers and Asus USB Drivers Download Flash Files Build Number OS Security Update/Full Changelog Download 1. Upgrade to Android P 2. Update google security patch 3. Fixed random audio noise issue on phone call and notification sound Download 1. Update Google security patch Download 1. Update security patch Download 1. Update security patch 2. Update Google GMS Google security patch update to 2019-03 Google Mobile Services GMS version update to 201812 r1 2019-01 Google security patch updated Google Mobile Services GMS version 201810 upgraded System charging stability optimized Fix internet connecting issue Add DSDV feature Improve system stability 2018-08 Google security patch updated Google Mobile Services GMS version upgraded GPS positioning Optimized Google security patch update 2018-07 Google Mobile Services GMS upgrade to version Screenshot stability Optimized Fix accidental can’t connect bluetooth in car machine Fix Twin apps can’t receive message immediately Fix accidental home key no feedbock after unlock Privacy Setting update Google security patch update Google Mobile Services upgrade to version Improve ZenUI Keyboard WiFi connection quality improve System Stability improvement Fix voice cracking and glitching in outdoor mode Fix abnormal notification sound when make recordings No Changelog updated Android Oreo Update August August August July Method 1 Instructions to Install via Recovery Download the latest firmware from the above update tracker section if available. Turn off your phone and enter the recovery mode by pressing the Power button +Volume UP button. Once you have booted into the recovery mode, select apply update from sd card. Locate the firmware file on your phone’s internal or external storage and select it. The installation will begin. Once the process is completed, your phone will reboot to implement things. That’s it! Methods 2 Install RAW Firmware zip file Suppose you have downloaded the RAW firmware zip file, then you can follow this method 2 to install the firmware on your Asus Zenfone 8 ZS590KS. First of all, download the Asus Zenfone 8 ZS590KS RAW firmware zip file and extract it on your PC. Open the extracted folder, and it should contain the flashing script, full RAW firmware files, and Android Tools. Turn off your Asus Zenfone 8. Enter the fastboot mode by pressing and holding the Volume Up and Power keys simultaneously. Once your phone is powered off, hold the Volume Up and Power keys together to enter Fastboot Mode. Connect your phone to the PC using the USB cable. Look for the file and double-click on it to launch the flashing script. When the script starts reading in the command prompt CMD window, you must wait until the process is completed. Once the installation is completed, your device will reboot automatically to the new update. Method 3 Instructions to Install via ADB Sideload Download the latest firmware from the above update tracker section if available. Download and install the latest ADB and Fastboot tools on your PC. Move the downloaded firmware file to the same location where you have installed the ADB and Fastboot tools. Enable Developer Options on your device. You must also enable the USB Debugging option on your phone under the Developer Options. Now head to the ADB installed folder and open a command prompt on the same folder by pressing the Shift Key + Right Mouse Click. Turn off your phone. Reboot your Asus ZenFone 4 into recovery mode by pressing the Volume UP + Power buttons together. You must now connect your phone to the PC using a USB cable. Make sure to use the original USB cable provided by the company to avoid any issues. Enter the below command in the command prompt adb devices The above command will show you all the connected devices to the PC. If you have followed all the steps carefully, you will see your device serial number in the cmd. Type in the below command to execute the firmware file adb sideload Here, the ā€œFile_nameā€ should be replaced with the file name of the firmware file that you have downloaded Wait until the installation process is completes. Once the installation is complete, you can reboot your Asus ZenFone 4 smartphone. That’s it! Method 4 Instructions to Install via QFIL Tool Download the Qualcomm Flash image loader tool and USB Drivers on your PC. Follow the below link to install the firmware using the QFIL tool Guide to Install Stock ROM using QFIL ToolThat’s it, guys. We hope you’ve successfully installed the Stock Firmware on your ZenFone 4 device. Feel free to ask in the comments below for any queries. On this page, you can find the official link to download Asus ZenFone 4 Pro ZS551KL Stock Firmware ROM Flash File on your computer. Firmware comes in a zip package containing Flash File, Flash Tool, USB Driver, and How-to Flash Manual. Asus ZenFone 4 Pro ZS551KL Stock Firmware Flash File The Flash File will help you Upgrade, Downgrade, or re-install the Stock Firmware OS on your Mobile Device. In addition, the Flash File ROM also enables you to repair the Mobile device if facing any Software Issue, Bootloop Issue, IMEI Issue, or Dead Issue. File Name File Size 2 GB Get Link How to Flash or Install Firmware ROM Download and extract the Asus ZS551KL stock firmware package on the computer. After extracting the package, you will be able to get the Firmware File, Flash Tool, Driver, and How-to Flash Guide. Install the provided USB Driver on the computer if the USB Driver is already installed, then SKIP this step. Follow the How-to Flash Manual to Flash or install the Firmware on your Asus ZS551KL device. Readme Once [*] Take a Backup If you are going to flash or install the above Firmware on the Asus ZS551KL device, then take a backup of everything because your data will be deleted or removed post flashing or installing the Firmware. [*] We have scanned the above firmware ROM package against viruses/malware using Malwarebytes Premium. You can also use Malwarebytes to scan your computer against viruses/malware. 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