ZenFone Max Pro (ZB601KL)

Android 10 AOSP developer version is now available. This version is only for WW SKU device
Please ensure to backup data before upgrade.


Improve Items:
1.Updated Android security patch (2020/12/5)
2.Updated APN data



Known issues for reference:
⁻ When occurred unexpected password key in request during upgrade to Android 10 please follow below link to recover the system.
http://www.asus.com/support/FAQ/1042350

Steps of Update:
1. Check software version of your device**
2. Download the image and then put the file into the root directory of the device internal storage
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.
6. When occurred unexpected password key in request during upgrade to Android 10 please follow below link to recover the system.
http://www.asus.com/support/FAQ/1042350

**How to know the device model?
Path: Settings->About-> Model number
**System upgrade may cause part of data missing, please back up your important data before system upgrading.

Improve Items:
1.Updated Android security patch
2.Updated APN
3.Improved headphones have poor sound quality
4.Fixed bass sound disappear
5.Fix dial connect ring tone change as the ringtone of hang up issue





Known issues for reference:
⁻ When occurred unexpected password key in request during upgrade to Android 10 please follow below link to recover the system.
http://www.asus.com/support/FAQ/1042350

Steps of Update:
1. Check software version of your device**
2. Download the image and then put the file into the root directory of the device internal storage
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.
6. When occurred unexpected password key in request during upgrade to Android 10 please follow below link to recover the system.
http://www.asus.com/support/FAQ/1042350

**How to know the device model?
Path: Settings->About-> Model number
**System upgrade may cause part of data missing, please backup your important data before system upgrading.

Improve Items：
1.Updated Android security patch(2020-9)
2.Update GMS 202001
3.Improved system performance





Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Android 10 AOSP developer version is now available. This version is only for WW SKU device
Please ensure to backup data before upgrade.


Improve Items:
1.Updated Android security patch
2.Updated APN
3.Improved headphones have poor sound quality
4.Fixed bass sound disappear
5.Fix dial connect ring tone change as the ringtone of hang up issue





Known issues for reference:
⁻ When occurred unexpected password key in request during upgrade to Android 10 please follow below link to recover the system.
http://www.asus.com/support/FAQ/1042350

Steps of Update:
1. Check software version of your device**
2. Download the image and then put the file into the root directory of the device internal storage
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.
6. When occurred unexpected password key in request during upgrade to Android 10 please follow below link to recover the system.
http://www.asus.com/support/FAQ/1042350

**How to know the device model?
Path: Settings->About-> Model number
**System upgrade may cause part of data missing, please backup your important data before system upgrading.

Improve Items：
1.Updated Android security patch
2.Update GMS version





Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Updated Android security patch



Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Android 10 AOSP developer version is now available. This version is only for WW SKU device
Please ensure to backup data before upgrade.


Improve Items:
1. Android 10 upgrade.
2.Please be aware that installing this system image on a device removes all personal data from the device, so please remember to back up your data first.
3.This is the Android 10 AOSP developer version, so the user experience will be different from Android 9. If you are used to and prefer using Android 9, we recommend that you continue with the Android 9 version.
4.Updated Android security patch
5.Fixed fingerprint cannot be set issue
6.Fixed latest Android P image cannot upgrade to Android 10 issue
7.Fixed user can't hear low frequency sounds issue
8.Fixed fast charging not working issue
9.Fixed Arena of Valor without high frame rate mode issue
10.Improved sound quality at Media and notification sounds
11.Fixed Netflix no HD (widevine L3) issue
12.Fixed lock screen wallpaper issue if user sets different pictures for the wallpaper lock screen, and double-click to wake up
13.Fixed text display issue of APP name
14.Fixed VOIP call silent issue after opening "OK Google" in the voice assistant.
15.Fixed HD, HDR HD, High frame rate missing issue in PUBG
16.Fixed NFC not working issue after upgrading to the Android 10


Known issues for reference:
⁻ When occurred unexpected password key in request during upgrade to Android 10 please follow below link to recover the system.
http://www.asus.com/support/FAQ/1042350

Steps of Update:
1. Check software version of your device**
2. Download the image and then put the file into the root directory of the device internal storage
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.
6. When occurred unexpected password key in request during upgrade to Android 10 please follow below link to recover the system.
http://www.asus.com/support/FAQ/1042350

**How to know the device model?
Path: Settings->About-> Model number
**System upgrade may cause part of data missing, please backup your important data before system upgrading.

Improve Items：
1.Updated Android security patch
2.Updated APN list





Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Steps of Update:
1. Prepare a MicroSD card.
2. Check software version of your device**
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
4. Software update cannot transfer the software SKU.
5. Wrong SKU may cause update failure, please update the same SKU version only.
6. How to manual update firmware please refer to
https://www.asus.com/support/FAQ/1042349

*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 downgrade will wipe all the personal data, please backup your important data before system downgrade.

Improve Items：
1.Updated Android security patch
2.Updated APN list





Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Updated Android security patch
2.Updated APN list
3.Fixed garbled string of "Do Not Disturb Suggestion" in RU language
4.Fixed Time zone can't be changed automatically issue
5.Fixed the problem "Gallery is Running" notification popping up randomly





Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Update Google security patch
2.Fixed ramdom issue that Camer app without focus circle can't take picture
3.Fixed icons misaligned issue at status bar





Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Update Google security patch
2.Fix Qcom security issue
3.Fix launcher issue





Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Fix third party issue
2.Fix screen rotation flickering issue





Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Update security patch
2.Fix no effect while applying dark theme
3.Add digital wellbeing function



Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1. Update security patch
2. Fix no HD Graphic option in PUBG
3. Call waiting function NO work


Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Android P upgrade
2.Update security patch

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Update GMS 8.1_201812
2.Update Google security patch (2019.Feb)
3.Improve camera app translation issue

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Update Google security patch.
2.Optimize system stability
3.Fix Garmin watch pairing issue

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Update Google security patch.
2.Improve camera performance on video
3.Improve Wifi hotspot compatibility.
4.Improve 3rd party app compatibility(Instagram).
5.Enable TW CHT VoLTE+VoWIFI

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Enable EIS feature on cameras
2.Support Live Wallpaper feature
3.Improve ringtone issue on answer-calls with Bluetooth.
4.Fix Wifi compatibility issue with ASUS AC51U
5.Fix FM radio issue

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Update Google security patch to 2018.Oct
2.Improve power consumption issue.
3.Optimize Waking system by double tapping/ wiping up on screen.

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Update Google security patch to Sep.2018
2.Enable TW TWN VoLTE/FET VoLTE+VoWIFI
3.Fix compatibility issue with Line App
4.Optimize system stability

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Strengthen system stability

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Improve front camera performance
2.Optimize fingerprint performance
3.Enable TW GT VoLTE&VoWIFI/T-Star VoLTE

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Strengthen system stability
2.Enhance camera stability

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Update GMS version
2.Improve Camera performance
3.Fix and improve multi-touch issue

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Improve Camera performance
2.Update APN
3.Fix the translation issue

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Enable IN Airtel/Idea/Vodafone&ID smarfren&TH DTAC/AIS/True 3rd&RU Megafon/MTS VoLTE&RU MTS VoWifi
2.Optimize fingerprint unlock speed
3.Improve Camera performance

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Improve Camera performance
2.Privacy Setting update
3.Add GPS location icon into QuickSetting

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Enable Face Recognition functionality
2.Optimize gyroscope functionality
3.Improvement in the response speed of finger print sensor

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.

Improve Items：
1.Improve Camera UI and performance
2.Fix no Emergency call log issue
3.Improve audio performance

Steps of Update:
1. Check software version of your device**
2. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW, ID->ID.
3. Software update cannot transfer the software SKU and downgrade the software version.
4. Wrong SKU may cause update failure, please update the same SKU version only.
5. How to manual update firmware please refer to https://www.asus.com/support/faq/1009748.

*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.