LOCK SCREEN

Hello jadvs,

Thank you for contacting us about your Samsung Galaxy S20 Ultra lock screen issue after receiving the notification.

And we really understand what you are going through, expecting your device to work normally as it should be. But don't worry; we are here to assist, offer quick fixes, and provide solutions to the issues with your device.

Both, we will figure out what's behind the issue/s and other possible reasons and come up with the solutions by following below steps.

A) Ensure that your device is up-to-date with the latest Software updates.

Settings > About Phone > Software Updates > Download and Install > Follow On-screen Notifications.

Also, check Samsung members apps, notification bell icon for any updates information available for your device.

B) Running the Diagnostic Tools under Samsung Members app.

Step 1. Run Samsung Members and select Get help on the lower half of the screen.

Step 2. Tap View Tests located under Diagnostics.

Step 3. Diagnostics checks, Individually Tap the following;

    "Touch screen" & "Battery".

Step 4. Your Samsung Galaxy phone will then run through the checks.

Step 5. Follow the on-screen instructions to complete the check.

Step 6. You can view your results after each check is complete.

C) Report error through Samsung Members app.

Step 1. Long press Samsung Members icon on Apps screen and Tap Error reports.

Step 2.Tap OK on agreement popup for sending system log data.

Step 3. Select Symptom category. Tap "Application" & "Power/Battery/Charging".

Step 4. Describe problem in detail and SEND.

https://www.samsung.com/ph/support/mobile-devices/how-to-submit-an-error-on-samsung-members/#:~:text.... 

D) Check the notification settings.

Disable the apps notification by toggle off the show notification settings while your device screen is on lock.

Settings > Apps > Navigate to third party app > Off Show Notification.

E) Restarting your device.

Press and hold the Power key and the Volume down key simultaneously for more than 7 seconds to restart it.

F) Clear Cache Partition.

Step 1. Turn off your phone.
Step 2. Plug in the USB cable via PC or Type-C earphones (in case its USB-C to USB-C).
Step 3. Then press and hold Power and Volume up buttons.
Step 4. Release the power button. When the recovery screen shows up, release the volume up button.
Step 5. Navigate to and select Wipe cache partition (Volume up and down is for highlighting options and power is to select).
Step 6. Navigate to and select Yes.
Step 7. Press the power button to select Reboot system now.

G) For more assistance, you may contact us on our online Samsung support channels below.

https://samsung-livechat.sprinklr.com/seao/ph/index.html