In order to hard reset a i-mobile 638CG, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
i-mobile 638CG device will be brought back to the default configuration of a brand new device.
1. Switch on the phone.
2. In order to reset & restart your phone, you must open dialer (press Call button) and enter one of these codes:
- Set full factory *741*2878#
- Set full factory *741*7373868#
- Set full factory *741*737381#
3. Eventually, your phone will reset and restart, returning to its default settings. Done.