Karbonn smart A52 hard reset:
1. Charge the battery 100 percent.
2.Turn off your Karbonn Android phone.
3.Turn ON the device by pressing and holding the VOLUME UP key and the power key together.
4. Out of the Menu appearing select Recover mode by volume up & enter through volume down.
5. Android logo with red exclamation mark appear, press Power key to enter recovery mode.
6. Select wipe data/Factory reset using volume key.
7. Select Yes- delete all user data.
8. Data will get wiped and Reboot system now.