Samsung rolled out Android 11 for several S-series, A-series, and even the latest M-series Galaxy devices based on One UI 3.0/3.1. The flagships Galaxy S21 came with the latest One UI 3.1 firmware out of the box bringing some new and exclusive features listed below. While it it is still a small bump as compared to One UI 3.0, most of the Samsung smartphones are now receiving One UI 3.1firmware update. The latest phones to get One UI 3.1 include Galaxy A71 and A50s.
Samsung just rolled out One UI 3.1 firmware for the Galaxy A71. It features Android 11 and brings the newer February 2021 security patch level. Apart from all the Android 11 goodies, the OTA also brings One UI features to the popular A-series. The OTA is now live in India and comes with new firmware build number A715FXXU3BUB5.
On the other hand, the Samsung Galaxy A50s is also receiving One UI 3.1 OTA update in India and other countries in Asia and Europe. It features new firmware build number A507FNXXU5DUB6.
One UI 3.1 features include improved Single Take for Samsung camera, object eraser for captured images, improved touch autofocus and autoexposure controller. Adding to the list is the new Multi Mic Recording feature while video recording under Pro Video mode. This enables you to simultaneously record audio through both your phone and a connected Bluetooth devices.
One of the most important features One UI 3.1 brings is support for eSIM functionality for select regions for the Galaxy S20 series. However, this may not be true for the Galaxy M31 series. The option for eSIM can be found under Settings > Network & Connections > SIM card manager. See if you have eSIM anywhere. Note that it also need network support to work.
However, it does come with most of the One UI 3.0 features from the Galaxy S20 series; with some exceptions like Dex mode or even Wireless Dex.
The OTA is currently live in India with build number M31xFXXU2BUC1. The update weighs about 2 GB in size. You can also download the OTA by visiting settings > system updates > download OTA update manually from your phone.
Alternatively, you can download the full stock firmware using SamFirm or Frija tools and install using Odin FlashTool. Checkout the download tutorial from our previous S20 FE post.
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