Hi, referring to topic with not working camera after update android, here is problem solving (works for me after 2 days of fighting)
Open up the back of the phone
Unplug battery
Unplug both Camera from slot
Plug battery
Boot phone
Turn on phone and start the Camera app and check front camera
Turn Off phone and Install the MAIN CAMERA FIRST!!! (camera on the right side)
Turn On your phone and start the camera app ( THE CAMERA WILL LAUNCHED)
Turn Off your phone and Install the wide camera (the camera on the left side)
Turn On your phone and Start the default camera app ( BOTH CAMERA WILL WORK)
Enjoy! And don't throw your phone
