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 Casio IT-300
You should reset the IT-300 whenever you suspect some external oddity as caused it to malfunction.
Use a pointed implement such as a mechanical pencil (with the lead retracted) to press the reset switch on the back of the terminal. This starts the reset operation.
Warning: Do not use a toothpick or pencil or other sharp object whose tip may break off the reset switch
Note: after the reset all data are deleted. backup data store to external device.
- While holding down the Fn key and CLR key. push down the reset switch for about 3 seconds with the tip of a pointed implement such as a mechanical pencil until the message shown below appears on the display.To cancel the full reset operation, press the MENU key.
- Press the Trigger key. This causes the message shown below to appear.To cancel the full reset operation, press the MENU key
- press the Trigger key again to perform the full reset.
Note: The full reset starts and all data in the memory are erased, and the start-up screenappears.