How to factory reset KARBONN A4? How to wipe all data in KARBONN A4? How to bypass screen lock in KARBONN A4? How to restore defaults in KARBONN A4?
The following tutorial shows all method of master reset KARBONN A4. Check out how to accomplish hard reset by hardware keys and Android 2.3 Gingerbread settings. As a result your KARBONN A4 will be as new and your core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.