09-15-202009:49 AM (Last edited 09-15-202009:50 AM) in
Note 9 and Galaxy S9 models aren't going to be optimized for android 11. Only way to maybe install an update like that would be to root the device and force it. But the risk there would be greater than the reward. After all the device may not operate right since it wasn't intended to run android 11 or UI 3.
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