In our description database there are 2 solutions for performing hard reset for Samsung R520 Trill.
Choose the first method and follow the steps to perform a hard reset. If the first solution does not work, try the next method.
Please remember! Hard reset will delete any and all data your device contains; like pictures, contacts, messages, apps etc. Everything. Samsung R520 Trill device will be brought back to the same configuration as that of a brand new device.
1. Turn on the phone and enter Menu.
2. Open Settings, Phone Settings, Security.
3. Now type the phone's lock code (four first digits of your phone number).
4. Lastly, select Master Reset and Yes. Done.