Why my phone is blocked every day after 6.0 version

[AC Question]

My HTC desire 816 is blocked every day since it was upgraded to 6.0 Android , the screen becomes black and on it appears big texts , a have tried to reset again but it still has the same problem, I fell disgusted, a can't operate , help please

 

[H3aTeRzz]

Hi

If you've done a "factory reset" and that didn't help. You'll need to contact HTC support and let them know what happened. Nothing we could suggest beyond Factory Reset.

 

[B. Diddy]

Welcome to Android Central! Show us a screenshot: http://forums.androidcentral.com/am...ide-how-post-screenshots-android-central.html. It might be Dot View, which could be triggered by certain kinds of cases: HTC Dot View™ Standard Specs and Reviews | HTC United States