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G996U1UEU3AUDD | US Unlocked Galaxy S21 Plus 5G May 2021 Security Patch

On this page, we have shared the official May 2021 security patch update for Galaxy S21 Plus in USA for US Unlocked carriers. The update is live with build number G996U1UEU3AUDD based on the latest Android 11 and brings the latest Android and Galaxy-exclusive security fixes.

As usual, this update is rolling via OTA (Over the air) in a phase-wise manner. If you have a Galaxy S21 Plus with the variant US Unlocked carriers SM-G996U1, then you may receive the notification to upgrade your security patch to May 2021 with build number G996U1UEU3AUDD.

G996U1UEU3AUDD | US Unlocked Galaxy S21 Plus 5G May 2021 Security Patch

Check Software Update on Galaxy S21 Plus:

If you have not received the software update, then check for the OTA update manually by going into Settings –> System > System Updates. In case if you see any new updates, you can hit the download now button to start upgrading your device.

Before upgrading, make sure you have enough juice (battery backup) on your device and connected to a good WiFi network. If there is no new update, then follow this guide to manually install the firmware on your Galaxy S21 Plus.

Firmware Info:

  • Device Name: Samsung Galaxy S21 Plus (SM-G996U1)
  • Region: USA
  • Carriers: All US Unlocked Carrier Supported
  • Build Number: G996U1UEU3AUDD
  • Android OS Version: Android 11
  • Software Supported: ODIN Tool
  • Android Security Patch Level: 2021-05-01 

How to Install May 2021 Security Patch on Galaxy S21 Plus

Before jumping into the firmware flashing process, ensure to check out the requirements, and download links. You’ll require to download the ODIN flash tool, firmware flash file, and drivers on your computer. Let’s take a look.

Pre-Requirements:

  • This stock firmware (G996U1UEU3AUDD) is only applicable for the US Unlocked Galaxy S21 Plus model.
  • Keep your device charged up to 50% to avoid occasional shut down during the firmware flashing process.
  • A Windows PC/Laptop and a USB Data Cable will require.
  • Make sure to a full data backup before flashing the software on your device.

Disclaimer:

GetDroidTips will not be responsible for any kind of hardware or software damage to your device while or after you follow this guide. Do the manual flashing process at your own risk. Taking a full data backup is always recommended.

Download Links:

Firmware Installation Guide:

  1. First, download all the necessary files on your PC including the ODIN Flash Tool.
  2. Install and launch the ODIN flash tool > Select the Galaxy S21 Plus stock firmware file according to your region to flash it.
  3. You can check out the full depth firmware flashing guide here: How to Install Samsung Stock Firmware Using Odin Flash Tool
  4. For better visualization support, you can also check out our full-depth video tutorial.

That’s it, guys. We hope you’ve now successfully installed the latest May 2021 security patch (G996U1UEU3AUDD) on your US Unlocked Galaxy S21 Plus device. Have some queries? Let us know in the comment section below.

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