Tested on zenfone 2 Z008D ZE550ML (Intel Atom Z3560) Marshmallow
Steps
- Make sure u have upgrade to latest firmware 4.21.40.191
- Upgrade FW > ubl > twrp > custom > opengapps > magisk > kernel
Recovery Mode
- Volume Up + Power at the same time for a few seconds
- When vibrate Release power button
- release vol up as soon as Asus logo appears on the screen
Power Off
- Volume Up + Power at the same time for a few seconds untill screen blank
- plug charger to check it. If it charging then it is in power off mode
Unlock Bootloader + TWRP
- Folow step use common sense
- after finish press vol down twice and press power button
Root
You can flash latest magisk (16) after that flash custom kernel Atom7_v1.4.zip
Custom Kernel
Flash this kernel if you want to use magisk, if not your in eternal bootlop to twrp hehee
Xposed
- Remove some internal aps such google music, book, etc
- flash xposed-v89-sdk21-x86.zip
Custom ROM
Viper OS-Coral [v3.1.1]-20180109 [Z008][UNOFFICIAL]
Stock ROM
WW https://yadi.sk/d/irxWikyFtvPhy (Android 5 & 6)
- 2.18.40.7
- 2.20.40.92
- 2.20.40.138
- 2.20.40.149
- 2.20.40.155
- 2.20.40.156 <– latest LP
- 4.21.40.191 <– latest MM