We’re truly sorry to hear about the inconvenience you’re experiencing, try the below steps that may assist you.
1. Clear Cache: Go to Settings > Apps > One UI Home > Storage > Clear Cache. 2. Force reboots your device by pressing and holding the power and volume down buttons simultaneously for more than 7 seconds and your device will reboot. 3. Safe Mode: To check if third-party apps might be causing the issue, we suggest booting your device into Safe Mode. To do this, press and hold the Power button, then press and hold the Power off option until you see the Safe Mode prompt. Tap "Safe Mode" and see if the lines persist.
