Simple fix to this issue after calling HTC support.
Go to settings, apps, camera, clear catche. Don't worry when warning comes up as all your pictures will still be there.
Then go back to settings, power, un-check the fast boot.
Return to home screen and restart your phone.
It will work!
Good luck
Go to settings, apps, camera, clear catche. Don't worry when warning comes up as all your pictures will still be there.
Then go back to settings, power, un-check the fast boot.
Return to home screen and restart your phone.
It will work!
Good luck
