The Samsung Galaxy M11 announced last March with Android 10 and One UI 2.0 is receiving the Android 11 update with One UI Core 3.1 - a lighter version of One UI developed for low-end devices. The new firmware carries version number M115FXXU2BUD8 and comes with the April 2021 Android security patch. Additionally, the new build brings refreshed UI to the Galaxy M11 with improved performance, better customization, one-time permissions, enhanced Digital Wellbeing, and more. You can check out the complete changelog below to learn more about the update. Samsung Galaxy M11 Android 11...
Source: https://www.gsmarena.com/samsung_galaxy_m11_android_11_one_ui_core_3_1_update-news-48986.php