Recall procedure AM4 at risk of failure
On some screens AM4 were marketed before the month of June 2013 number below 11 000 900 series, it is possible that you will meet on stopwatch some problem in the internal connector of the display resulting in an untimely break of the screen.
A recall procedure was put in place by the factory to perform an intervention consisting of replacing a part of the display. Thank you contact me to determine based on your serial number if your device is actually part of the lot which requiring action.
Enjoy the winter to make this test !