N986USQU2DUH2 | Samsung Note 20 Ultra 5G August 2021 Security Patch

In this article, we have shared the August 2021 security patch update for Galaxy Note 20 Ultra 5G with build number N986USQU2DUH2. The update is based on Android 11 and brings no major changes except security patches and bug fixes. This update is now live in the USA for carriers.

The update is rolling via OTA (Over the air) in a phase-wise manner. If you have a Galaxy Note 20 Ultra 5G with variant SM-N986U, then you may receive the notification to upgrade your security patch to August 2021 with build number N986USQU2DUH2.

Galaxy Note 20 Ultra

Check Software Update on Galaxy Note 20 Ultra 5G:

If you have not received the notification to upgrade your firmware to N986USQU2DUH2, 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 Galaxy Note 20 Ultra 5G and are connected to a good WiFi network. If there is no new update, then follow this guide to manually install the firmware on your Galaxy Note 20 Ultra 5G.

Firmware Info:

  • Device Name: Samsung Galaxy Note 20 Ultra 5G (SM-N986U)
  • Region: USA
  • Build Number: N986USQU2DUH2
  • Android OS Version: Android 11
  • Software Supported: ODIN Tool
  • Android Security Patch Level: 2021-08-01 

How to Install August 2021 Security Patch on Galaxy Note 20 Ultra 5G

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.


  • This stock firmware (N986USQU2DUH2) is only applicable for the Galaxy Note 20 Ultra 5G model (US Carriers).
  • 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.


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 Note 20 Ultra 5G 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 August 2021 security patch (N986USQU2DUH2) on your Galaxy Note 20 Ultra 5G (US Carriers). Have some queries? Let us know in the comment section below.

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