Nokia 661R-RM975 at&t

[Acissej81dnomyar]

Child was playing with it. Now has sad face on a blue sreen and powers on and off several times anytime u try do anything

 

[RumoredNow]

Check this article: https://www.windowscentral.com/got-blue-screen-death-installing-windows-10-mobile-heres-fix

and also this video...

It might help to know what OS version your Lumia 635 is running.