Fix Bootloop/Softbrick on Asus Zenfone C Z007

fix-bootloop-or-softbrick-on-asus-zenfone-c-z007.md

Fix Bootloop/Softbrick on Asus Zenfone C Z007

Prerequisite files:

1. fastboot
2. Firmware ASUS Zenfone C Z007 ZC451CG WW v4.11.40.55

WARNING: The steps below will wipe up your device!

In order to fix the bootloop or softbrick, you will need a couple steps below:

1. Boot the device into fastboot mode by holding power button and volume up until the droid image shows up.
2. Connect the device to a laptop via USB cable and confirm the devive is in fastboot mode by running the command below and return non-empty result.

   fastboot devices

3. Erase the device partitions.

   fastboot erase cache
   fastboot erase data
   fastboot erase system

4. Reboot the device bootloader.

   fastboot reboot bootloader

5. Extract the downloaded firmware file. We only need boot.img, recovery.img, fastboot.img, and system.img files. Flash these files. It will take a time to complete.

   fastboot flash boot boot.img
   fastboot flash recovery recovery.img
   fastboot flash fastboot fastboot.img
   fastboot flash system system.img

6. Reboot the device and it will boot to clean Android stock.

   fastboot reboot