denisbarbashov2
Now I can upgrade my ZenFone 4 max (zc520kl) to android 8.1. ? Build version ww-14.2016.1712.367
ZenFone 4 Max (ZC520KL) upgrade to 8.1
@denisbarbashov2 Please refer to the following version.
https://www.asus.com/supportonly/ZenFone4%20Max%20(ZC520KL)/HelpDesk_Download/Version WW-15.2016.1809.407
https://dlcdnets.asus.com/pub/ASUS/ZenFone/ZC520KL/UL-ASUS_X00HD-WW-15.2016.1809.407-user.zipASUS ZenFone 4 Max (ZC520KL) Software Image Version: WW-15.2016.1809.407 (Android O) For WW SKU only*
Improve Items：
1.Update OS to Android 8.1.0 Oreo
2.Update ASUS ZenUI to 4.5
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.
