Does your Mobile Karbonn A21 showing white screen after flashing your mobile with custom rom or by original flash rom.
White screen means after after flashing your mobile with custom rom when you switch own your phone is fully appearing white screen.But after switching on your phone on when you click the volume button you can hear sound of volume.That means that you phone is working only boot.img have been brick but this can be repaired eaisly.
You can repair the boot easily but you have to download the file i have uploaded and required computer to flash the boot.img to repair.
DOWNLOAD KARBONN A21 FLASHING File
DOWNLOAD Android AIO Flasher 1.40
Process to recover from white screen
1. Switch off your phone and go to Fastboot mode .(For fast boot mode press switch on and volume up button together – when its turn green then leave button and you will see fastboot written on top left of screen).
2. Install Karbonn A21 usb driver from google search.
3. Connect usb to computer and mobile.
4. Download & Extract all file given for download above.
5. Install Android AIO Flasher 1.40 and open it.
6.See video on youtube to check process of flashing.
Youtube process to flash karbonn a21