Before you give your handset to repair shop or buy new handset, please try the following procedure to repair your device. First charge your battery more then 70%, backup your important data like phone-book, message, email, images and settings and in most cases take out SIM card and SD card. After doing hard reset not possible to recover your data, so online backup is always important. For all of your data, a backup should be done on a external device, hard drive, raid system media or SD card.
Karbonn A27 Hard Reset
- Press and hold Power key + Volume UP + Volume Down to get recovery mode.
- if this method not work then try 2 second method
- 2nd method: press power key
- after vibrate phone press and hold volume UP + volume Down
- you see recovery menu.
- select wipe data / factory reset and select yes.
- now reboot device
- Power On Handset and connect to pc or laptop
- Download Android Multi tool and Drivers from Here
- Install both drivers "SCI android drivers" and "ADB Android Drivers"
- Now open tool and press "5" and hit Enter Key to wipe data / factory reset.
- after format handset restart automatic
- hard reset done