Samsung SCH-R631 Messager Reset Settings
Use Reset Settings to return all settings to their defaults. Resetting
does not erase user data, such as your Contacts.
1. From Standby mode, tap Menu ➔ Menu 1 ➔ Settings ➔ Phone Settings ➔ Security.
2. At the Enter Code prompt, enter the lock code.
By default, the R631 lock code is the last four digits of your phone number.
3. Tap Reset Settings. At the prompt, tap Yes to confirm the reset.
To keep your current settings and return to the Security submenu, tap No.
When your phone has frozen, take out battery, reinsert it, then power on your phone.