Hard Reset SAMSUNG i640V
- Switch on the mobile phone.
- Use Power button to turn device on.
- Press Call key to open dialer.
- Tap this code: *2767*3855#
- Call key to confirm operation.
- Device will start to restart, it may take a while.
- Done, your device is back to the Factory settings.
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.