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Realme C11/ C12/ C15/ C20/ C21 | How To Flash Stock and Relock Bootloader

Complete tutorial How To Flash Stock ROM & Relock Bootloader Realme C11/C12 C15 using TWRP and OZIP file. C11/C12 C15 share same firmware and hardware

Make sure to follow all the instruction & Watch The Video if u dont want brick ur device



Prerequisite

  • Use at your own risk! I am not responsible for your actions
  • skip zip treble compability if you have error message
  • I will try to keep update this page
  • Take IMEI Backup !! Store backup on pc/sdcard (nvram, nvdata, nvcfcg for mediatek and EFS for snapdragon)

Video Tutorial How

Files Needed

Instruction to Flash Stock ROM

  • copy OZIP stock ROM into sd card/Internal storage
  • Go to fastboot mode
  • fastboot -w
  • fastboot erase userdata
  • fastboot flash recovery filename.img
  • fastboot reboot bootloader
  • fastboot reboot recovery
  • Flash ozip
  • Format data
  • reboot

Relock bootloader

  • boot into the android wizard
  • reboot to bootloader
  • fastboot reboot recovery (just make sure recovery has been replace by stock)
  • boot to fastboot again
  • fastboot flashing lock
  • Use volume & power button to select “LOCK THE BOOTLOADER”
  • fastboot reboot