my lumia 520 doesn't open

[Windows Central Question]

when I update my lumia 520 from 8.1 to 10 my handset freezees so many times & very slow working then I have to reset the phone then on the bluescreen with Bit locker recovery please help thanks.

 

[abhishek singh21]

when I update my lumia 520 from 8.1 to 10 my handset freezees so many times & very slow working then I have to reset the phone then on the bluescreen with Bit locker recovery please help thanks.

this thread should solve your issue

http://answers.microsoft.com/en-us/...e-screen/057b64e3-d70a-4c61-8dd4-17f154fdf844