Battery Charge Should Be 70% up For perform Hard reset/Factory reset.
1. Press and hold * + 3 + call button + Power Key. when show nokia logo on scree release all keys.
2. Type your security code ( default code is 12345 ).
wait few second. done.
Method 2
Turn On Your Device first
than go to Menu -> Settings -> Restore Factory Settings
type your security code ( default code is 12345 )
Confirm press ok.
wait few second done.
Warning : Don't Forget Backup Your All Data contact number, photos, videos and others information.
