Among Samsung devices, users who have updated their os to Android 11 are getting UnknownHostException.
Once an UnknownHostException is returned, the user continues to receive the same error unless the app is reinstalled or the device is rebooted.
Of the users whose OS is Android 11, only a few users are having problems.
Both Http and Https give the same error.
Both Wifi, 5G and LTE give the same error.
The device for which the error was reported.
SM-G970N, SM-G973N, SM-G975N, SM-G977N
It is presumed to have started on March 9th, 21st.