: In Samsung's security architecture, you can update to a higher binary number, but you cannot downgrade to a lower one.
: Android 10, codenamed "Q" by Google, was the original operating system this phone shipped with in 2020.
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 Samsung A51 5G SM-A516U Q (Android 10) (BIT 3) ...
: As of June 2024, Samsung has officially ended software support for the A51 5G, meaning it will no longer receive monthly security patches or major OS upgrades. The "BIT 3" (Binary 3) Significance
: While your device is currently on Android 10, it is capable of being updated as far as Android 13 with One UI 5.1 . : In Samsung's security architecture, you can update
: 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.
: When it launched in 2020, it was one of the first affordable phones to bring 5G connectivity to the masses. Build Number : A516USQUBGWC1
: 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