Samsung's Android 13-based One UI 5.1, which debuted on the Galaxy S23 series smartphones unveiled earlier this month, is now rolling out for the Galaxy M53 in Ukraine and Russia, with the rollout expected to expand to other regions soon.
One UI 5.1 for the Samsung Galaxy M53 comes with firmware version M536BXXU2CWB3 and February 2023 Android security patch.
Samsung has also released One UI 5.1 for the carrier-locked Galaxy Z Flip3 and Galaxy S21 series in the US. It's seeding for the Galaxy Z Flip3 units locked to Xfinity Mobile's network with firmware version F711USQU3FWB1, while the Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra on Xfinity Mobile's network are receiving the update with firmware G99xUSQU5EWAI. Devices locked to other carrier networks should receive One UI 5.1 soon.
The One UI 5.1 update for the Galaxy Z Flip3 and Galaxy S21 trio also bumps up the Android security patch level on the smartphones to February 2023.
If you haven't received One UI 5.1 yet, you can check for it manually by heading to your phone's Settings > Software update menu.
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S21 FE Gets ONE UI 5.1 with Feb Security Patch