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.
How to Hard Reset Coxion Webbook
Push the Reset button then system hot starts. The system indication lamp goes off when you push the Reset button and lights back up when released, the system is then restarted automatically.
Press and Hold the power button and pushing the Reset button then releasing the power button, the system does hard reset. In this case, the information saved in SDRAM shall be lost and the system will come back to original factory settings.
If information is not saved before reset or hard reset, it shall be lost.