Flash Nokia Lumia 520
1- Run ATF setup.
2- Select Mobile Type as Window.
3- Select Model no.
4- Under, Write Flash select Phoenix ini.
5- Flashing has been performed in USB mode.
6- Click on Flash.
7- Switch off the Mobile.
8- Connect mobile to box, by pressing On/Off & Volume down key.
9- After getting connected to box, mobile will get flashed.