An issue may occur where the Nokia Lumia 521 will attempt to boot up and freeze at a blue screen.
The phone has experienced a crash, causing the phone to get stuck at the blue screen. This issue will be resolved in a future software update.
To fix the Nokia Lumia 521 being stuck at at a blue screen, follow these steps:
Note: Resetting your phone will erase your user data, including Nokia Maps. To reinstall apps and user data, use the “restore your phone?” option during the phone setup sequence.
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