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Use this page to identify software versions for the Samsung Galaxy A51 5G as well as details on recent software updates.

 

Identify the device's current software version

Android 10 / 11

  1. From the Home screen, swipe up on an empty spot to open the Apps tray.
  2. Tap Settings > About phone > Software information.
  3. View the Baseband version and compare it to the section below.

 

Review software version details

VERSION RELEASE DATE ENHANCEMENTS STATUS

Android 11

Baseband version:

A516USQS5CUD9

May 9, 2021 April 2021 Security Updates

Available May 9, 2021

If your device meets the requirements below, this update will be available to download.

To prevent download issues, there's a daily limit on downloads. If it's not available yet, check back tomorrow or after May 14, when the daily limit is lifted.

Android 11

Baseband version:

A516USQU4CUA7

February 14, 2021
  • Android 11
  • February 2021 Security Updates

Available February 14, 2021

If your device meets the requirements below, this update will be available to download.

Android 10

Baseband version:

A516USQS4BTL7

January 17, 2021

January 2021 Security Updates

Available January 17, 2021

If your device meets the requirements below, this update will be available to download. 

Android 10.0

Baseband version:

A516USQU3BTK1

December 22, 2020

One UI 2.5

October 2020 Security Update

Available December 22, 2020

If your device meets the requirements below, this update will be available to download.

Android 10.0

Baseband version:

A516USQS2ATI2

October 5, 2020

September 2020 Security Update

Available October 5, 2020

If your device meets the requirements below, this update will be available to download.

Android 10.0

Baseband version:

A516USQU1ATH1

August 16, 2020

  • Resolves Bluetooth and Wi-Fi disconnects
  • Additional improvements and updates

Available August 16, 2020

If your device meets the requirements below, this update will be available to download.

Android 10.0

Baseband version:

A516USQU0ATF6

August 7, 2020

Original software version

Available August 7, 2020

If your device meets the update requirements, this update will be available to you to download.

Other versions

N/A

N/A

Your device has non-T-Mobile software, and it is unsupported. The manufacturer and T-Mobile cannot update your software.

 

Determine update requirements

Your device must meet the following requirements to update your software to the most current version:

  • 50% or higher battery life
  • Data connection
  • File size: 163 MB

 

Update software versions

Update automatically over the air (OTA)

  1. From the Home screen, swipe up on an empty spot to open the Apps tray.
  2. Tap Settings > Software update > Download updates manually.
  3. Wait for the device to check for updates.
  4. Tap OK > Start.
  5. When the restart message appears, tap OK.

 

Update from a computer

Follow the update requirements above, along with the following:

  • Use a Samsung USB cable.
  • Back up your data prior to completing the update.

During the update, do not:

  • Use the device or press any keys.
  • Remove the battery, if applicable.
  • Turn off the device.
  • Disconnect the USB cable until the update is complete.

You will not be able to place a call during the update, not even an emergency call.

  1. Download and install Samsung Smart Switch that is compatible with your computer from http://www.samsung.com/us/support/smart-switch-support/#!/.
  2. Connect the cable to a compatible USB port on your computer.
  3. Connect the other end of the cable to your mobile device.
  4. Allow your computer to install any required drivers for your device. This process may take a few minutes.
  5. Open Smart Switch on your computer, and allow it to make the connection.
  6. If a software update is available for your device, Smart Switch will automatically prompt you to update. At any time, you can click Update.
  7. Click Update to begin downloading the necessary files.
  8. Click OK to proceed.
  9. Your device may turn off and on a few times during the update process.
  10. Once complete the device will return to the Home screen.

 

Issues after updating

If you experience issues after updating to the latest software version, follow these steps:

  1. Wipe your cache partition to make sure that all system files on your device are put back in order.
  2. If wiping the cache partition does not work, you may need to perform a master reset.

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