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OxygenOS Display wakeup event issue after update to OxygenOS 11.1.1.1 Nov 4, 2021

rglanzer , Nov 4, 2021 :

The auto update suggested the update to Android 11 which was great. So I applied the update and was happy to have Android 11 on my OnePlus 6
On my device everything works fine.

My wife has the very same OnePlus6 and also updated to Android 11. But after a few days her display were keeping black after opening the magnetic cover. In this state it was also not able to be activated with a press on the power button. But the phone is still full functional. Because we hear incoming message or calls. While the phone ist connected via Bluetooth even calls can be answered. But the screen keeps staying black. It only helps to reboot the device.
Due to the fact, that my phone does not show this behavior we figured out that this is related to the magnetic cover my wife uses. When the phone is within this cover and she opens the cover from time to time this black screen event occur. But when she takes the phone out of the cover she can use the phone as prior to the android 11 update without problems.

So there must be a problem with the unlock-event in the Oxygen11 version 11.1.1.1 in combination with an magnetic cover. Or it also might be a problem with the cover and the proximity sensor I don't know.
But prior to the Oxygen11 update this behavior never occurred. And as said this also is no hardware problem with the screen, because without the cover the phone can be unlocked without problems.

So OnePlus can you please address this issue?
With kind regards
René