Karbonn smart A92 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. Android Logo with No Command message will appear.
5. Press Volume up to enter recovery mode.
6. Select wipe data/Factory reset using volume down key and Volume up to enter.
7. Choose Yes- delete all user data.
8. Data will get Hard reset is done.
9. Reboot the mobile by pressing Volume up key.
10. Karbonn A92 will be free from pattern and will be reset to default.