Simple note for factory reset Android via ADB.

Preface

Factory Reset from the GUI settings of my ASUS ZenFone 2 (ZE551ML) with CynagenMod 14 installed didn't work.

Steps

Before doing this:

  • Make sure your computer had already installed adb.
    • For Arch Linux users: $ sudo pacman -S android-tools
  • Make sure your Android phone had already enable the Developer Options and enable the USB Debugging via ADB.

Let's go:

  1. Connect your Android phone to your computer.
  2. $ adb devices make sure your phone is listed.
  3. $ adb reboot bootloader to reboot the Android to bootloader.
  4. Wait until it reboot to bootloader.
  5. $ sudo fastboot erase userdata to wipe all user data.
  6. $ sudo fastboot erase cache to wipe all cache.
  7. $ sudo fastboot reboot to reboot your phone.

And that's it, it works for me. 

$ adb --version  
Android Debug Bridge version 1.0.36  
Revision 7.1.2_r6

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