Zenfone 9

Improved Item:

1. Updated Android security patch to 2023-04-05
2. Optimized System Stability
3. Provide a press-and-hold trashcan option to one-time dismiss persistent notifications
4. Added the ability to hide Gesture indicator bar


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 backup your important data before system

Improved Item:

1. Updated Android security patch to 2023-02


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 backup your important data before system

Improved Item:

Android 13 upgrade to this version:
1. Enhance fingerprint unlocking experience
2. Optimized System Stability

Upgrade from Android 12 to this version:
1. Please back up your data before upgrading to Android 13. If you want to downgrade your device’s software version to Android 12 by official software package, it will erase all data from your device’s internal storage
2. Upgraded system to Android 13
3. Revamped Mobile Manager, Contacts, Phone, Emergency Dialer, File Manager, Calculator, Clock, Gallery, Weather, Sound recorder, Settings, Data Transfer, Local backup, and other Asus apps
4. Adjusted Quick Settings panel, notification tray, and volume panel to Android 13 design
5. Added the notification permission feature. You can adjust the permission of each apps in the Apps & notifications Settings
6. System clipboard added "Auto delete" and editor features
7. Added the QR code scanner option for the lock screen shortcut feature, and the “Control from locked device”feature in the Security & lock screen setting
8. If Bedtime option is setup in Digital Wellbeing, system color scheme can now be set to automatically switch with bedtime option
9. Adjusted the Vibration & haptic strength setting, Display and font size setting, and the width/length of navigation white bar when choosing gesture navigation
10. Changed to the Blocked numbers setting in Phone to stock behavior. You will not receive calls or texts from blocked numbers
11. Removed the Call duration setting
12. Added the Themed icons option in the Wallpaper & style setting Support more color combinations
13. Added “link quick share” feature in ASUS Launcher
14. Added Asus customization preferences setting. Allows applying the collection of commonly used customization settings with one click
15. Removed the 'Calm' and 'Elegant' options in the Power button menu style setting. Add the display item management option to allow the user to control the number of buttons in the menu
16. Adjusted the design of the dialpad and contacts details page in the Phone app to display  information more clearly
17. Some 3rd party apps are not compatible with Android 13 yet


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 backup your important data before system

Improved Item:

Android 13 upgrade to this version:
1. Fixed Google Wallet not working properly when Twin APPs are enabled

Upgrade from Android 12 to this version:
1. Please back up your data before upgrading to Android 13. If you want to downgrade your device’s software version to Android 12 by official software package, it will erase all data from your device’s internal storage
2. Upgraded system to Android 13
3. Revamped Mobile Manager, Contacts, Phone, Emergency Dialer, File Manager, Calculator, Clock, Gallery, Weather, Sound recorder, Settings, Data Transfer, Local backup, and other Asus apps
4. Adjusted Quick Settings panel, notification tray, and volume panel to Android 13 design
5. Added the notification permission feature. You can adjust the permission of each apps in the Apps & notifications Settings
6. System clipboard added "Auto delete" and editor features
7. Added the QR code scanner option for the lock screen shortcut feature, and the “Control from locked device”feature in the Security & lock screen setting
8. If Bedtime option is setup in Digital Wellbeing, system color scheme can now be set to automatically switch with bedtime option
9. Adjusted the Vibration & haptic strength setting, Display and font size setting, and the width/length of navigation white bar when choosing gesture navigation
10. Changed to the Blocked numbers setting in Phone to stock behavior. You will not receive calls or texts from blocked numbers
11. Removed the Call duration setting
12. Added the Themed icons option in the Wallpaper & style setting Support more color combinations
13. Added “link quick share” feature in ASUS Launcher
14. Added Asus customization preferences setting. Allows applying the collection of commonly used customization settings with one click
15. Removed the 'Calm' and 'Elegant' options in the Power button menu style setting. Add the display item management option to allow the user to control the number of buttons in the menu
16. Adjusted the design of the dialpad and contacts details page in the Phone app to display  information more clearly
17. Some 3rd party apps are not compatible with Android 13 yet


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 backup your important data before system

※ Before you start the downgrade, please make sure all pictures, important data finished the backup.
The downgrade process will erase all data to be a new system. ASUS company would not not be responsible for the risk of data loss.
Steps of Update:
1. Download the firmware to internal storage.
2. Remove Google Account.
3. Pull down the quick setting list.
4. The system will pop up a message which detected a firmware update info.
5. Execute the downgrade firmware file.

* If you skip step 5, and you don't know how to trigger the downgrade process again. Please reboot the system, and the downgrade info will pop up again.

*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.