In our description database there are 2 solutions for performing hard reset for Nokia Asha 503 Dual SIM.
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 Asha 503 Dual SIM device will be brought back to the same configuration as that of a brand new device.
1. Switch on the device.
2. Go to Menu > Settings > Restore Factory Settings.
3. Now select ALL.
4. Type in security code (12345 by default). Confirm with Center button.
5. Allow the device to reset and restart, completing the hard reset process. Voila.