Hard Reset NOKIA 3520
- Start by pressing Power button, device must be working to succeed this operation.
- There are two ways, you can open phone's Dialer or go to Standby screen.
- Now enter this code in: *#7370#
- Factory reset must be confirmed to do it press green Call key.
- Phone now must reboot to succeed operation so wait patiently.
- Done, you can work on device properly.
Remove Lock Code in Nokia Phone - factory reset with forgotten security code
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.