The device is protected with improved security. Build Number : A516USQUBGWC1. Android version : T(Android 13) Release Date : 2023- samsung.com Samsung Galaxy A51 5G (SM-A516U) - Software Version
: If you are on BIT 3, you can flash any official firmware that is also BIT 3 or higher. If a newer update moves the phone to BIT 4, you will never be able to go back to a BIT 3 version of Android.
: You can find this number in your "Baseband version" (found in Settings > About Phone > Software Information). It is typically the 5th character from the right in the version string (e.g., A516USQU 3 BTJ4). Summary Table Model Samsung Galaxy A51 5G (SM-A516U) Original OS Android 10 (Q) Latest OS Android 13 (One UI 5.1) Bootloader BIT 3 (No downgrading to BIT 1 or 2) Support Status Support ended June 2024 Galaxy A51 5G (SM-A516U) - Notify Update