Does anyone know the problem of not being able to open the front camera?
The message "Starting the front camera failed...." appears.
After the 3rd or 4th attempt, the device then reports "Start of front camera failed several times. Camera should be calibrated". This also fails 3 - 4 times and then it suddenly works. Then you can use the camera for a while without any problems.
After an unspecified period of time, you have to go through the whole process again, because it doesn't work any more.

Question

Does anyone know the problem of not being able to open the front camera?
The message "Starting the front camera failed...." appears.
After the 3rd or 4th attempt, the device then reports "Start of front camera failed several times. Camera should be calibrated". This also fails 3 - 4 times and then it suddenly works. Then you can use the camera for a while without any problems.
After an unspecified period of time, you have to go through the whole process again, because it doesn't work any more.

Answer

Everything works fine for me. 
I think you should still have a guarantee on it if you have no other defects.

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