How can i reload window in Lumia 820

[WPCentral Question]

Lumia 820 window/os hang up on start up. How can I fix it?

 

[gpobernardo]

Welcome to Windows Central.

We may need more details.

What was the last thing that happened to your phone before that happened? What kind of lags are you experiencing? Have you tried performing a soft reset (press and hold volume down button and power button until your phone restarts)?

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