ASUS ZenFone 4 (ZE554KL) Android Drivers
Utilities
Unlock Device App: Unlock boot loader for Android O OS Notice:
Before you download, install, and use the Unlock Device App you acknowledge and assume complete risk to the quality and performance of this App, including but not limited to the following: once you activate the App you will not be able to recover your ASUS product (“Original Product”) back to original locked conditions; the Original Product with the activated App will not be deemed the Original Product; the Revised Product will no longer be covered under the warranty of the Original Product; the software of Revised Product will no longer be deemed the software of the Original Product and can no longer receive ASUS software updates; your purchased digital content may also be affected.
You also acknowledge ASUS does not guarantee service satisfaction to any Revised Product, including events involving paid service requested by you to be performed to the Revised Product.
Furthermore, such repaired Revised Product will not be covered under the warranty of the Original Product; the software of the repaired Revised Product will not be deemed the software of the Original Product and will not receive ASUS software updates.
It is strongly advised that you avoid activating this App unless you fully understand and accept the risks that may arise. Download
AsusLauncher_4.5.3.17 APK App：ASUS Launcher
Version：4.5.3.17
System version : Android O
Data size：14.4 MB Download
AsusLauncher_5.5.0.95_190731 APK Increase system security (Android O)
Thanks for IOActive’s contribution Download
MobileManager_6.5.10.3_190411 APK Increase system security (Android O)
Thanks for IOActive’s contribution Download
AsusLauncherDev_4.5.3.16_190422 APK Increase system security (Android O)
Thanks for IOActive’s contribution Download
AsusGallery_2.7.0.387_190422 APK Increase system security (Android O)
Thanks for IOActive’s contribution Download
MobileManager_5.0.16.4_190417 APK Increase system security (Android N)
Thanks for IOActive’s contribution Download
AsusLauncher_4.5.1.38_190422 APK Increase system security (Android N)
Thanks for IOActive’s contribution Download
AsusGallery_2.6.0.174_190422 APK Increase system security (Android N)
Thanks for IOActive’s contribution Download
ASUS Dialer & Contacts_3.2.0.51_190325 Fix security issues. (Android O)
Thanks for IOActive’s contribution. Download
ASUS Dialer & Contacts_3.0.3.69_190325 Fix security issues. (Android N)
Thanks for IOActive’s contribution. Download
Firmware
ASUS ZenFone 4 ZE554KL (ASUS_Z01KD*) Software downgrade from WW-16.0620.1912.23 (Android P) to target Image Version: WW-15.0610.1905.28 (Android 8 Oreo) for WW SKU only* Please follow steps and ensure to backup data before downgrade. Steps of Update:
1.Download the patch pack.
2.The system will detect new firmware.
3.After executing the patch, the system will reboot once.
4.When the system boot on, the firmware version will be recover to Android O.
*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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
*System upgrade may cause part of data missing, please backup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_16.0620.1912.23 for WW only*
*JP and Operator sku did not include this version Improved Item:
1. 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 “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW-15.0610.1909.39 for WW only* Improved Item:
1. Update Google security patch
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0610.1907.32 for WW only* Improved Item:
1. Update security patch
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0610.1905.28 for WW only* Improved Item:
1. 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 “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0610.1903.26 for WW only* Improved Item:
1. Google security patch update to 2019-03
2. Google Mobile Services (GMS) version update to 201812 r1
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0610.1901.22 for WW only* Improved Item:
1. 2019-01 Google security patch updated
2. Google Mobile Services (GMS) version 201810 upgraded
3. System charging stability optimized
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0610.1811.18 for WW only* Improved Item:
1. Fix internet connecting issue
2. Add DSDV feature
3. Improve system stability
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1808.122 for WW only* Improved Item:
1. 2018-08 Google security patch updated
2. Google Mobile Services (GMS) version 8.0_201807 upgraded
3. GPS positioning Optimized
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1807.120 for WW only* Improved Item:
1. Google security patch update 2018-07
2. Google Mobile Services (GMS) upgrade to version 8.0_201806
3. Screenshot stability Optimized
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1806.118 for WW only* Improved Item:
1. Fix accidental can't connect bluetooth in car machine
2. Fix Twin apps can't receive message immediately
3. Fix accidental home key no feedbock after unlock
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1806.116 for H3G only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services (GMS) upgrade to version 8.0_201805
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1806.116 for JP only* Improved Item:
1. Update 2018-06 security patch
2. Privacy Setting update
3. Update GMS version to 8.0_201805
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1806.116 for TIM only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services (GMS) upgrade to version 8.0_201805
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1806.116 for WIND only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services (GMS) upgrade to version 8.0_201805
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1806.116 for VF_IT only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services (GMS) upgrade to version 8.0_201805
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1806.116 for WW only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services (GMS) upgrade to version 8.0_201805
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1805.112 for JP only* Improved Item:
1. Update Security patch 2018.05
2. WiFi connection quality improve
3. Google Mobile Services (GMS) upgrade to version 8.0_201803
4. Update APN list
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1805.112 for WW SKU only* Improved Item:
1. Google security patch update
2. Fix Entity key touch screen problem
3. Update DIT library for Improve HDR performance
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1804.107 for WIND SKU only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services upgrade to version 8.0_201803
4. Improve ZenUI Keyboard
5. WiFi connection quality improve
6. Update to Android 8.0
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1804.107 for VF_IT SKU only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services upgrade to version 8.0_201803
4. Improve ZenUI Keyboard
5. WiFi connection quality improve
6. Update to Android 8.0
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1804.107 for TIM SKU only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services upgrade to version 8.0_201803
4. Improve ZenUI Keyboard
5. WiFi connection quality improve
6. Update to Android 8.0
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1804.107 for OP_SG SKU only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services upgrade to version 8.0_201803
4. Improve ZenUI Keyboard
5. WiFi connection quality improve
6. Update to Android 8.0
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1064.1711.96 for OP_SG SKU only* Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1804.107 for H3G SKU only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services upgrade to version 8.0_201803
4. Improve ZenUI Keyboard
5. WiFi connection quality improve
6. Update to Android 8.0
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1804.107 for WW SKU only* Improved Item:
1. Privacy Setting update
2. Google security patch update
3. Google Mobile Services upgrade to version 8.0_201803
4. Improve ZenUI Keyboard
5. WiFi connection quality improve
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：JP_15.0405.1803.99 for JP SKU only* Improved Item:
1. Update to Android 8.0
2. Update Google security patch
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1803.99 for WW SKU only* Improved Item:
1. Fix Wi-Fi roaming problem
2. Google security patch update
3. GMS upgrade
4. Improve Camera App stability
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1052.1708.46 for H3G SKU only* Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1060.1708.70 for H3G TIM only* Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1052.1708.46 for WIND SKU only* Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1064.1712.99 for TIM SKU only* Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1064.1712.99 for H3G SKU only* Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1064.1712.99 for WIND SKU only* Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1064.1711.96 for VF_IT SKU only* Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1801.89 for WW SKU only* Improved Item:
1. Gallery app Update- for Power Consumption Improvement
2. Update Google GMS
3. Update Google Security Patch
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：JP/WW_14.1064.1712.99 for JP/WW SKU only* Improved Item:
1. Gallery app Update- for Power Consumption Improvement
2. Update Google GMS
3. Update Google Security Patch
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_15.0405.1712.83 for WW SKU only* Improved Item:
1. System Stability improvement
2. Fix voice cracking and glitching in outdoor mode
3. Fix abnormal notification sound when make recordings
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1064.1711.96 for WW SKU only* Improved Item:
1. power consumption improvement
2. system stability improvement
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1063.1710.91 for WW SKU only* Improved Item:
1. Camera AP Stability Improvement: System locking up after selfie in SELFIEMASTER.
2. CHT VoWiFi Enabled
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1060.1709.80 for WW SKU only* Improved Item:
1. Phone Touch Experience Improvement
2. Camera IQ improvement
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1060.1708.70 for WW SKU only* Improved Item:
1. WiFi performance improvement
2. Camera IQ improvemen
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1050.1708.41 for WW SKU only* Improved Item:
1. Remove " ArcSoft " words from Super Resolution
2. Google security patch update for MSM chipsets
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
ASUS ZenFone 4 (ZE554KL) software Image：WW_14.1050.1708.36 for WW SKU only* Improved Item:
1. Improve WIFI connectivity
2. Fix FB with twin function
3. Fix QR code for adding friend with Twitter
Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. 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: CHT_PadFone2-user-10.4.17.15-UpdateLauncher
**System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download
Source Code
ASUS ZenFone4 (ZE554KL) Kernel Source Code (WW_V16.0620.1912.23) for Android P Download
ASUS ZenFone4 (ZE554KL) Kernel Source Code (WW_V15.0610.1909.39) Download
ASUS ZenFone4 (ZE554KL) Kernel Source Code (WW_V15_0610_1907_32) Download
ASUS ZenFone4 (ZE554KL) Kernel Source Code (WW_V15_0610_1905_28) Download
ASUS ZenFone4 (ZE554KL) Kernel Source Code (WW_V15_0610_1903_26) Download
ASUS ZenFone4 (ZE554KL) Kernel Source Code (WW_V15_0610_1901_22) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15_0610_1811_18) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15_0405_1807_120) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15_0405_1806_118) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15.0405.1806.116) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15_0405_1805_112) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15.0405.1804.107) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15_0405_1803_99) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15_0405_1802_93) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15_0405_1801_89) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (14_1064_1711_96) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15_0405_1712_83) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (15.0405.1711.76) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (14_1064_1711_96) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (14_1063_1710_91) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (14_1060_1709_80) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (14_1050_1708_70) Download
ASUS ZenFone 4 (ZE554KL) Kernel Source Code (14_1050_1708_41) Download
ASUS ZenFone4 (ZE554KL) Kernel Source Code (WW_V14.0810.1706.21) Download