Software update for the Samsung Galaxy S21 5G/Galaxy S21+ 5G/Galaxy S21 Ultra 5G (G991U/G996U/G998U)

Software update for the Samsung Galaxy S21 5G/Galaxy S21+ 5G/Galaxy S21 Ultra 5G (G991U/G996U/G998U)


Latest update
Getting started
Update & verify software
Previous updates

Latest update

  • What's changing: Security patch level
  • Release date: July 9, 2021
  • Android version: 11
  • Security patch level (SPL): July 1, 2021
  • Baseband version: G991USQS4AUFD (GS21 5G)
    G996USQS4AUFD (GS21+ 5G)
    G998USQS4AUFD (GS21 Ultra 5G)
  • Build number: 200720.012.G991USQS4AUFD (GS21 5G)
    200720.012.G996USQS4AUFD (GS21+ 5G)
    200720.012.G998USQS4AUFD (GS21 Ultra 5G)
  • File size: 480MB (GS21 5G)
    480MB (GS21+ 5G)
    480MB (GS21 Ultra 5G)

Getting started

  • Make sure you’re in the U.S. and on our wireless network.
  • You can download the update via Firmware Over the Air (FOTA).
  • You must connect your device to Wi-Fi® to download the update.
  • Although there should be no impacts to settings or data, we recommend backing up your media files to an SD card, a computer, or using a favorite application, prior to upgrading the software.

Update & verify software

Update software

  1. Make sure your device is fully charged and connected to Wi-Fi.
  2. Swipe down from the Notification bar and select Settings.
  3. Scroll to and select Software update, then Check for updates.
  4. Follow the on-screen prompts to download and install the update. The device automatically restarts once the new software successfully installs.

Verify software update

  1. Swipe down from the Notification bar and select Settings.
  2. Scroll to and select About phone, then Software information.
  3. If the Android and Baseband versions don’t match the current update, perform additional updates until they do.

Troubleshoot software update

Previous updates

DateDetails
June 22, 2021
  • Android version: 11
  • Baseband version: G991USQU4AUF5 (GS21 5G), G996USQU4AUF5 (GS21+ 5G), G998USQU4AUF5 (GS21 Ultra 5G)
  • File size: 480MB (GS21 5G), 480MB (GS21+ 5G), 480MB (GS21 Ultra 5G)
May 11, 2021
  • Android version: 11
  • Baseband version: G991USQU3AUDB (GS21 5G), G996USQU3AUDB (GS21+ 5G), G998USQU3AUDB (GS21 Ultra 5G)
  • File size: 1GB (GS21 5G), 1.1GB (GS21+ 5G), 1.2GB (GS21 Ultra 5G)
April 23, 2021
  • Android version: 11
  • Baseband version: G991USQU2AUCC (GS21 5G), G996USQU2AUCC (GS21+ 5G), G998USQU2AUCC (GS21 Ultra 5G)
  • File size: 269MB (GS21 5G), 277MB (GS21+ 5G), 269MB (GS21 Ultra 5G)
April 5, 2021
  • Android version: 11
  • Baseband version: G991USQU2AUC8 (GS21 5G), G996USQU2AUC8 (GS21+ 5G), G998USQU2AUC8 (GS21 Ultra 5G)
  • File size: 979MB (GS21 5G), 980MB (GS21+ 5G), 1GB (GS21 Ultra 5G)
March 8, 2021
  • Android version: 11
  • Baseband version: G991USQU2AUB5 (GS21 5G), G996USQU2AUB5 (GS21+ 5G), G998USQU2AUB5 (GS21 Ultra 5G)
  • File size: 354MB (GS21 5G), 355MB (GS21+ 5G), 376MB (GS21 Ultra 5G)
Feb. 10, 2021
  • Android version: 11
  • Baseband version: G991USQU1AUAG (GS21 5G), G996USQU1AUAG (GS21+ 5G), G998USQU1AUAJ (GS21 Ultra 5G)
  • File size: 334MB (GS21 5G), 315MB (GS21+ 5G), 343MB (GS21 Ultra 5G)
Jan. 26, 2021
  • Android version: 11
  • Baseband version: G991USQU1AUA4 (GS21 5G), G996USQU1AUA4 (GS21+ 5G), G998USQU1AUA4 (GS21 Ultra 5G)
  • File size: 672MB (GS21 5G), 672MG (GS21+ 5G), 1.26GB (GS21 Ultra 5G)

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