Hello, I have the BV6000 running Android 6.0 BV6000_Blackview_V01_201600922. I have two camera problems: 1) The camera app is stuck on the front facing camera- no way to switch to the rear facing camera. 2) When holding the phone in portrait mode, the image in the camera is upside down. Any help or ...

I have a problem with my BV6000. Recently, one of the screws that holds the cover to the SIM compartment broke off. Unfortunately, just the head of the screw broke off - the "tail" remained threaded in the hole. I can't figure out how to remove the remaining stub of the screw stuck in the ...