Here's the procedure on how to hard reset MyPhone RIO Craze
1. Turn Off Your Phone.
2. Press Volume Up + Volume Down + Power Button and wait until it appears the Recovery and Factory Mode.
3. Press Up to select Recovery mode wait until android comes out.
4. Press Power button to go to Android system recovery.
5. Use Volume Down to select "wipe data/factory reset", then press left sensitive keys to confirm.
6. Select "Yes-delete all user data", again confirm by pressing left sensitive key.
7.Reboot System