After updating my A70 to Android 11 ONEUI 3.1, my LCD screen dimms after I press the Power button(lock screen) to the lowest brightnest level and the performance drops and will not increase brightness even if I set it to the max. As a work around, I force reboot or soft reset the device every time and it will be back to normal after a few tries. Therefore, I can't lock the phone screen or press the Power button moving forward since it will create the same problem and work around again.
Good day! This is Ann from Samsung. Sorry to hear about what happen to your phone after the update. You may try calling Samsung by dialing #GALAXY (#425299) to assist your concern.
