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 Asus P505
Turn – Allows you to execute a soft reset in situation the device problems, or when an app hangs. Click the tip of the stylus pen on this turn to reset the technique.
NOTE To perform a hard reset, press and hold the power button while you press the tip of the stylus on the reset switch. A hard reset will erase data that are in processing and recover the device back to the default clock setting. Make sure to back up your data first before performing a hard reset.