ASUS Zenfone 2 (Z00AD) Firmware Update Android 5.1 Lollipop

First, make sure your ASUS Zenfone 2 market and version. You have enter to recovery mode to see the original version at your ASUS Z00AD. How to enter recovery mode ASUS Zenfone 2?

1. Turn off ASUS Zenfone 2
2. Press volume up and power, after fastboot mode appear on screen, select recovery
3. At this stage you will only see Android robot logo and maybe saw "error" text, just igone it
4. Now press and hold volume down + power and volume up quickly
5. You will see recovery menu and at the top the original OS installed
6. Select any OS at below link, atleast same version or upper

At recovery menu select "Update from ADB" and attach your ASUS Zenfone 2 and install ASUS driver. The rest, just follow command at picture above.

• ASUS Driver
• ADB (Android Debug Bridge)

ASUS ZenFone 2 = ZE551ML(Z00AD/Z00ADA/Z00ADB/Z00ADC)
UL-Z00A-WW-2.20.40.198-user.zip
UL-Z00A-JP-2.20.40.197-user.zip
UL-Z00A-CUCC-2.20.40.197-user.zip

Share this post