Received new update of Android 11 just 3 days back on M30s. It's working fine. User interface has improved. Volume button notification style has changed. Few screen display enhancement added. Overall it's fine. So far not observed any negative sympto...
Samsung should think of providing live speed display on screen like others. It would ease users to rate speed and if it doesn't meet expectations could easily be given reference to network providers. It may be given in coming updates.