Zenfone 8

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BIOS & FIRMWARE

Driver & Tools
BIOS & FIRMWARE

Firmware

ZenFone 8/8Z (ZS590KS) Software downgrade from Android 13 to target Image Version: WW-31.1010.0411.160 (Android 12) for WW SKU only.

Version Android 13 to Android 12 3.03 GB

2023/01/16

※ 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.

SHOW MORE DESCRIPTION

ZenFone 8/8Z (ZS590KS) Android 13 software Image：WW-33.0210.0210.210 for WW/EU/RU/IN/TW SKUs

Version WW-33.0210.0210.210 3.2 GB

2023/01/13

Improved Item:

#Updated from previous Android 13 version:
1. Updated Android security patch to 2023-01-05

#Updated from Android 12:
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 so on.
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. According to Digital Wellbeing setting, system color scheme can be set to automatically switched by the 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. Replaced original Style settings to new Wallpaper & style settings - Remove shape option, support Themed icons, and the system color is reset to blue.
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.
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
18. Upgrade system modes to the latest version, including "High performance", "Dynamic", "Durable" and "Ultra durable." Game Genie is also upgraded to the latest version, to allow quick switching of system modes in games.

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. The software does not support JP SKU , also not support NFC/FeliCa technology.
5. Software update cannot transfer the software SKU and downgrade the software version.
6. 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 upgrading.

SHOW MORE DESCRIPTION

ZenFone 8/8Z (ZS590KS) Android 12 software Image：WW-31.1010.0411.160 for WW/TW/EU/RU/IN/JP SKUs

Version WW-31.1010.0411.160 3.03 GB

2022/12/28

Improved Item:

1. Updated Android security patch to 2022-12-05

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. The software does not support JP SKU , also not support NFC/FeliCa technology.
5. Software update cannot transfer the software SKU and downgrade the software version.
6. 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 upgrading.

SHOW MORE DESCRIPTION

ZenFone 8/8Z (ZS590KS) Android 12 software Image：WW-31.1010.0411.138 for WW/TW/EU/RU/IN/JP SKUs

Version WW-31.1010.0411.138 3.03 GB

2022/10/25

Improved Item:

1. Updated Android security patch to 2022-10-05

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. The software does not support JP SKU , also not support NFC/FeliCa technology.
5. Software update cannot transfer the software SKU and downgrade the software version.
6. 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 upgrading.

SHOW MORE DESCRIPTION

ZenFone 8/8Z (ZS590KS) Android 12 software Image：WW-31.1010.0411.122 for WW/TW/EU/RU/IN/JP SKUs

Version WW-31.1010.0411.122 3.03 GB

2022/09/07

Improved Item:

1. Updated Android security patch to 2022-08-05
2. Fix the issue when full screen moving through page abnormal

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. The software does not support JP SKU , also not support NFC/FeliCa technology.
5. Software update cannot transfer the software SKU and downgrade the software version.
6. 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 upgrading.

SHOW MORE DESCRIPTION

ZenFone 8/8Z (ZS590KS) Android 12 software Image：WW-31.1010.0411.113 for WW/TW/EU/RU/IN/JP SKUs<br/>This upgrade patch only allows to upgrade from WW-31.1010.0410.89 version. The other firmware versions can't use this patch file to upgrade.

Version WW-31.1010.0411.113 3.04 GB

2022/08/04

Improved Item:

1. Updated Android security patch to 2022-08-05
2. Optimized voice recognition for Google Assistant
3. Fixed issue with wallpaper slideshow and screen on/off
4. Fixed Miracast casting problem
5. Adjust the microphone parameters to avoid distortion when recording in loud environment

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. The software does not support JP SKU , also not support NFC/FeliCa technology.
5. Software update cannot transfer the software SKU and downgrade the software version.
6. 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 upgrading.

SHOW MORE DESCRIPTION

ZenFone 8/8Z (ZS590KS) Android 12 software Image：WW-31.1010.0411.89 for WW/TW/EU/RU/IN/JP SKUs<br/>This upgrade patch only allows to upgrade from WW-31.1010.0410.72 version. The other firmware versions can't use this patch file to upgrade.

Version WW-31.1010.0411.89 3.04 GB

2022/06/21

Improved Item:

1. Updated Android security patch to 2022-05-05
2. Fix issue with Quick settings panel turning black when using VPN
3. Fix no response issue when using HK Octopus app with NFC

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. The software does not support JP SKU , also not support NFC/FeliCa technology.
5. Software update cannot transfer the software SKU and downgrade the software version.
6. 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 upgrading.

SHOW MORE DESCRIPTION

ZenFone 8/8Z (ZS590KS) Android 12 software Image：WW-31.1010.0410.72 for WW/TW/EU/RU/IN/JP SKUs<br/>This upgrade patch only allows to upgrade from WW-31.1010.0410.61 version. The other firmware versions can't use this patch file to upgrade.

Version WW-31.1010.0410.72 3.05 GB

2022/05/18

Improved Item:

1. Fixed an issue where face recognition would stop working
2. Fixed a connection issue with the Pokémon GO Plus accessory
3. Fixed an issue where the UI was incorrectly showing 4G/4G+ while being connected to a 5G network

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. The software does not support JP SKU , also not support NFC/FeliCa technology.
5. Software update cannot transfer the software SKU and downgrade the software version.
6. 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 upgrading.

SHOW MORE DESCRIPTION

ZenFone 8/8Z (ZS590KS) Android 12 software Image：WW-31.1010.0410.61 for WW/TW/EU/RU/IN/JP SKUs

Version WW-31.1010.0410.61 3.05 GB

2022/05/06

Improved Item:

1. Updated Android security patch to 2022-04-05
2. Fixed no sound issue when using FM Radio
3. Fixed issue with occasional SIM PIN unlock failure

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. The software does not support JP SKU , also not support NFC/FeliCa technology.
5. Software update cannot transfer the software SKU and downgrade the software version.
6. 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 upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) Android 12 software Image：WW-31.1010.0410.43 for WW/TW/EU/RU/JP SKUs<br/>*Special notice: This upgrade patch only allows to upgrade from Android 11 WW-30.12.112.72, WW-& 30.12.112.82 versions to Android 12. The other firmware version can't use this patch file to upgrade.

Version WW-31.1010.0410.43 3.05 GB

2022/03/31

Improved Item:

1. Updated Android security patch to 2022-02-05
2. Optimized the compatibility with Hearing Aids
3. Fixed the problem of low playback volume when recording with wired headset
4. Improved the stability of the Blink light function
5. Optimized the stability of Wifi function

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. The software does not support JP SKU , also not support NFC/FeliCa technology.
5. Software update cannot transfer the software SKU and downgrade the software version.
6. 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 upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) Android 12 software Image：WW-31.1004.0404.107 for WW/TW/EU/RU (exclude JP SKUs)<br/>*Special notice: This upgrade patch only allows to upgrade from Android 11 WW-30.12.112.72, WW-& 30.12.112.82 versions to Android 12. The other firmware version can't use this patch file to upgrade.

Version WW-31.1004.0404.107 3.04 GB

2022/03/04

Improved Item:

1. Please back up your data before upgrading to Android 12. If you want to downgrade the software version to Android 11 by official software package, it will erase all data from your device.
2. Upgraded system to Android 12
3. Revamped Mobile Manager, Contacts, Phone, File Manager, Calculator, Clock, Gallery, Weather, Sound recorder, Settings, Data Transfer, Local backup, Setup wizard, System update apps
4. Adjusted Quick Settings panel, notification tray, and volume panel to Android 12 design
5. Added privacy dashboard, camera and microphone indicators, show clipboard access, approximate location access, and microphone access features
6. Replaced ASUS Safeguard with Android 12 Emergency SOS
7. Introduced new widget page design in Launcher. Adjusted the position of the screenshot option and removed the hotseat app icons in the Overview page
8. Removed the Quick Settings layout option in the Display settings
9. ASUS Phone removed SIP calling support as Android 12 does not natively support SIP calling
10. Some 3rd party apps are not compatible with Android 12 yet

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. The software does not support JP SKU , also not support NFC/FeliCa technology.
5. Software update cannot transfer the software SKU and downgrade the software version.
6. 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 upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) Software downgrade from Android 12 to target Image Version: WW-30.12.112.82 (Android 11) for WW SKU only.

Version Android 12 to Android 11 2.96 GB

2022/02/22

※ 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.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW-30.12.112.82 for WW/EU/RU/JP

Version WW-30.12.112.82 2.96 GB

2022/02/21

Improved Item:

1. Updated Android security patch to 2021-12-05
2. Enabled DEO2 and Vodafone VoWiFi in Germany

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.12.112.72 for WW/EU/RU/JP

Version WW-30.12.112.72 2.96 GB

2021/12/17

Improved Item:

1. Reworked performance settings

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.12.112.62 for WW/EU/RU/JP

Version WW-30.12.112.62 2.96 GB

2021/11/26

Improved Item:

1. Optimized 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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.12.112.56 for WW/EU/RU/JP

Version WW-30.12.112.56 2.97 GB

2021/11/24

Improved Item:

1. Optimized system stability
2. Updated Android security patch to 2021-11-05

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.12.112.46 for WW/EU/RU/JP

Version WW-30.12.112.46 2.97 GB

2021/11/04

Improved Item:

1. Optimized 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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.12.112.36 for WW/EU/RU/JP

Version WW-30.12.112.36 2.97 GB

2021/10/22

Improved Item:

1. Optimized camera stability and quality
2. Optimized system stability
3. Updated Android security patch to 2021-10-05

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.12.112.22 for WW/EU/RU/JP

Version WW-30.12.112.22 2.82 GB

2021/09/27

Improved Item:

1. Optimized 5G experience
2. Optimized camera stability and quality
3. Optimized system stability
4. Updated Android security patch to 2021-08-05

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.11.51.115 for WW/EU/RU/JP

Version WW-30.11.51.115 2.82 GB

2021/09/03

Improved Item:

1. Optimized camera quality
2. Optimized system stability
3. Dsiabled VoLTE & VoWiFi on Orange (Poland)

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.11.51.112 for TW/JP Only

Version WW-30.11.51.112 2.82 GB

2021/08/20

Improved Item:

1. Optimized camera quality
2. Optimized system stability
3. Enabled VoLTE on Rakuten (Japan)
4. Disabled VoLTE & VoWiFi on Orange (Poland)

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.11.51.103 for WW/EU/RU

Version WW-30.11.51.103 2.78 GB

2021/08/10

Improved Item:
1 Optimized system stability
2 Optimized video call of rear camera.
3 Optimized camera quality
4 Updated Android security patch to 2021-07-05

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 back up your important data before system upgrading.

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ZenFone 8 (ZS590KS) software Image：WW_30.11.51.83 for WW/EU/RU

Version WW-30.11.51.83 2.77 GB

2021/07/15

Improved Item:

1. Optimized system stability
2. Improved Pocket mode
3. Optimized phone call quality
4. Improved camera quality
5. Added AOD ‘Tap to show’ function
6. Enabled VoLTE & VoWiFi on Vodafone & Deutsche Telekom (Netherlands)
7. Enabled VoLTE & VoWiFi on Deutsche Telekom (Hungary)
8. Enabled VoLTE on Vodafone (Ireland)
9. Enabled VoWiFi on MTS (Russia)
10. Updated Android security patch to 2021-05-05

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.11.51.67 for WW/EU/RU

Version WW-30.11.51.67 2.78 GB

2021/06/23

Improved Item:

1. Optimized system stability
2. Optimized video call of rear camera
3. Improved Pocket mode
4. Enabled VoLTE & VoWiFi on Orange & Deutsche Telekom (Poland)
5. Enabled VoLTE & VoWiFi on EE & H3G & O2 & Vodafone (United Kingdom)
6. Enabled VoLTE on TIM & VIVO (Brazil)
7. Enabled VoLTE on Orange (Romania)
8. Enabled VoLTE on Vodafone (Hungary)

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.11.51.60 for WW/EU/RU/MS

Version WW-30.11.51.60 2.78 GB

2021/06/13

Improved Item:

1. Optimized fingerprint stability
2. Optimized 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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.11.51.57 for WW/EU/RU/MS

Version WW-30.11.51.57 2.78 GB

2021/06/08

Improved Item:

1. Optimized call quality
2. Enhanced wide camera contrast and improved ultra-wide camera Night mode for ASUS Camera.
3. Optimized system stability
4. Added gesture detection sensitivity in one-handed mode
5. Added SMS type QR code support in ASUS Camera app
6. Enabled VoLTE & VoWiFi on Telia (Norway & Finland)
7. Enabled VoLTE on MTS (Russia)
8. Enabled VoLTE on Orange (Spain)
9. Improved issue where playback of Netflix HDR videos would stutter after a short while.

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 (ZS590KS) software Image：WW_30.11.51.50 for WW/EU/MS

Version WW-30.11.51.50 2.76 GB

2021/05/28

Improved Item:

1. Optimized Phone call quality
2. Improved camera quality
3. Improved system stability
4. Enabled VoLTE on Telekom (Germany)
5. Enabled VoLTE & VoWiFi on O2 (Czech Republic)

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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

ZenFone 8 software Image：WW_30.11.51.44 for WW/EU/RU/MS

Version WW-30.11.51.44 2.76 GB

2021/05/21

Improved Item:

1 Improved system stability
2 Improved system performance
3 Added one-hand mode and guidance instructions
4 Added Document mode to the ASUS Camera
5 Added capsule-style icon in the status bar for specific scenarios such as phone call, sound recording, etc.
6 Improved camera quality
7 Added priority mode in ASUS Settings
8 Added search function in Force Dark Mode.
9 Enabled VoLTE on Telia (Lithuania)
10 Enabled VoLTE & VoWifi on ICE (Norway)
11 Updated Android security patch
12 Enabled VoLTE on Vodafone (Spain)

Steps of Update:
1. Check software version of your device**
2. Download device software and refer below for update SOP
https://www.asus.com/support/faq/1009748
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 back up your important data before system upgrading.

SHOW MORE DESCRIPTION

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Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
PCB color and bundled software versions are subject to change without notice.
Brand and product names mentioned are trademarks of their respective companies.
The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.