Hard Reset Your Nokia Lumia 1520 if you have forgot your password and want to reset it to its factory settings. This method is very simple and easy, and you can Unlock all codes with this trick. If you Don’t want to delete your contacts and messages then don’t try this because using this trick all data will be deleted on mobile memory. So take backup before try this trick. You can save all your contacts and messages via some software available in market. This method is also use full if your mobile hang or freeze every time when you want to play games etc.
1. Turn off Nokia Lumia 1520
2. Press and hold Power Button until LCD show Nokia logo. Then press Volume Down until mobile shows exclamation mark (!) icon.
3. Release all byttons.
4. Press step by step one by one.
5. Press and Release Volume Up Button
6. Press and Release Volume Down Button
7. Press and Release Power Button
8. Press and Release Volume Down Down
9. If the step finish, the Nokia Lumia 1520 will do the hard reset or factory format by itself.
10. Wait until it finish to format, then we will need to setup like new again.