T-Mobile customers with older Samsung devices are finally receiving the much-anticipated One UI 7 update, based on Android 15.  After a series of delays, the update is now reaching Galaxy S21 and S22 models, with reports suggesting that Galaxy Z Fold 3, Fold 4, Flip 3, and Flip 4 devices are also beginning to receive it.  Carrier-locked phones, like those sold by … [read full article]