Hello everyone. I had purchased the ZTE Avid 4G 5 days ago and sometimes the screen is lock in portrait view. Restarting the phone will fix the problem, but after a couple of hours the screen on the phone will not rotating to landscape. I did check the box next to auto rotation in settings so it's not a setting problem. Anyone experienced this issue with the ZTE Avid 4G? Any help would be greatly appreciated.