Nokia C3-00 Security Code Not Working [ PROVEN ]

If standard resets fail, the phone's firmware may need to be "flashed" or reinstalled.

If prompted for a security code to confirm, and does not work, you must use the hardware key method below. 3. Hardware Key Reset (Power-Off Method) Nokia C3-00 Security Code Not Working

If you are completely locked out of the device, you can attempt a "three-finger" hard reset to bypass the code and restore factory settings. Turn off the phone completely. Press and hold the following three keys simultaneously: (3) Three key Call/Send button (Green key). If standard resets fail, the phone's firmware may