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How To Install CM 12.1 CyanogenMod Lollipop on Asus Zenfone 4 T00I/A400CG

Tutorial - How To Install CM 12.1 CyanogenMod Lollipop 5.1.1 Rom on Asus Zenfone 4 T00I/A400CG. This CM 12.1 Rom is unofficial but stable for Zenfone 4. You can install it on WW, TW, CC, KE, CN and all device supported. We also attach a video tutorial on Installation Guide CM12.1 on Zenfone 5. How To Install [CM 12.1] CyanogenMod Lollipop on Zenfone 5.

CyanogenMod Lollipop on Asus Zenfone 4 T00I/A400CG

Bug: Tethering not Working

How to Install CyanogenMod 12.1 on ASUS Zenfone 4

Step 1. Make sure your Zenfone 4 running on the latest firmware 7.3.3 .

Step 2. Unlock Bootloader, Unlock tool can be download (Download from -
Step 3. Extract Unlock bootloader tool > install apk> unlock

Step 4. Download CyanogenMod 12.1 ROM from below Link (Download from below Link).

Step 5. Download ADB tools if you don't have it (Download from below link ).

Step 6. Download Intel usb driver if you don't have/install it (Download from -

Step 7. Copy boot.img, system.img and recovery_TWRP.img place it to ADB folder.

Step 8. Turn off Zenfone 4.

Step 9. Enter Fastboot mode (Power + Volume up).

Step 10. Connect Zenfone 4 to PC.

Step 11. At ADB Folder press shift+right click > open Command here.

Step 12. At command prompt type (press enter after each line and wait until finish) :
  • fastboot flash system system.img 
  • fastboot flash boot boot.img 
  • fastboot flash recovery recovery_TWRP.img

Step 13. Factory Reset.

Step 14. Done

Download here
ADB Tool-
CM12.1 Rom-

Warning: When you install a custom ROM on your android device, it voids your warranty. We are not responsible of any damage. Do it your own risk. Also Check out How to Install Android 6.0 Marshmallow Boot Animation on Asus Zenfone.


  1. hi. can i follow this guide while i have upgraded my official version to 7.4.4? thx

    1. and also the link for the rom is somewhat doesn't exist.


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