Windows 520.0 has a blue screen with a frown face. How do I fix this?

[Windows Central Question]

I would like to know how to reset or what ever is
need to do to this phone?

 

[RumoredNow]

The frowny face is a form of Blue Screen of Death (BSOD).

Here are a couple of fixes.

Got a blue screen of death installing Windows 10 Mobile? Here's the fix! | Windows Central

or

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