In our description database there are 3 solutions for performing hard reset for Nokia 5110.
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. Nokia 5110 device will be brought back to the same configuration as that of a brand new device.
Instruction Ein:
1. First, turn on the phone.
2. Next, press Menu button. From here, go to Settings > Phone > Phone management > Factory Settings > Delete data and restore.
3. Finally, select Yes to confirm the operation. Well done, the hard reset is over.
Instruction Zwei:
1. First, press and hold the Power button to turn on the phone.
3. Now tap in the lock code. Default lock code is 12345. Your phone will now reset. Voila!