Samsung March security patch hits the Galaxy Note9 on AT&T, T-Mobile, and Verizon
(Android Police)

The Tab S4 and A50 also get some love Update Updated to include the AT&T Tab S4 and Note9, Verizon Tab S4, Note9, and A50, and T-Mobile Note9. Samsung started updating some of its international devices to the March security patch last week, and now distribution is reaching unlocked devices in the US. As well as improvements to security, the update includes One UI 3.1, bringing with it a plethora of new features from the Galaxy S21 series to older phones. Read More Samsung March security patch hits the Galaxy Note9 on AT&T, T-Mobile, and Verizon was written by the awesome team at Android Police.