my mobile network issue started after Android 11 update

[Kirru17]

Android 11 update issue...how to uninstall mu update 

[Abdullah332113]

there is no option touninstall update..u have to go to customer care and flash with android 10 rom..or tell them about this issue

[IamRanajit]

you can't downgrade your phone at any cost. Just wait for few days. Samsung will fix these issues through ota update..

[Vrang]

You cannot Uninstall your update wait till one ui 3.1 which will fix bugs and please inform Samsung

[Ehsank]

first try these steps and observe

A. Wipe Cache Partition.

Steps to perform.

1) Turn off the device.

(Connect with type C cable and connect withpc/laptop/type C earphone only for Android 11 )

2) Press and hold the Volume Up key and the spower button.
3) When the Android logo displays, release all keys.
4) Press the Volume down key to navigate and select "Wipe cache partition".
5) Press Power key to select. When the wipe cache partition is complete, Select Reboot System.
6) Press the Power key to restart the device.

B. Reset App Preferences.
Settings >Apps> Tap on Top Right 3Dots and select Reset App preferences.

C. Go to settings >general Management >reset>reset settings.

[Samsung_Support1]

Dear Samsung Member,

Greetings from Samsung Customer Support!

Please register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support