Is G998USQSAFXAG/G998UOYNAFXAG/G998USQSAFXAG stable for daily use?

This is an official firmware release. All official releases from FirmwareMirror are stable and tested. Always backup your data before flashing any firmware.

Is this firmware the latest version?

Yes, G998USQSAFXAG/G998UOYNAFXAG/G998USQSAFXAG is the version shown. Check FirmwareMirror regularly for newer versions of Samsung Galaxy S21 Ultra (USA) firmware.

Download Samsung Galaxy S21 Ultra (USA) ROM - G998USQSAFXAG/G998UOYNAFXAG/G998USQSAFXAG (CCT)

Name: G998USQSAFXAG/G998UOYNAFXAG/G998USQSAFXAG for Samsung Galaxy S21 Ultra (USA)
Availability: InStock
Author: Samsung

What's New

Samsung SM-G998U firmware update — January 2024 security patch. Build: G998USQSAFXAG. Includes the latest Android security patches and system stability improvements. Flash using Samsung Odin3.

Android Version

N/A

File Size

2.1 GB

Release Date

Jan 01, 2024

Flash Method

Odin

Download ROM

Available

Download Now

File Size: 2.1 GB

Mirror Downloads (1)

Mirror 1

1 mirror(s) available • Click any button to download

Verification & Details

Package Name:

G998USQSAFXAG

How to Flash Odin on Samsung Galaxy S21 Ultra (USA)

Please follow these steps carefully to install the G998USQSAFXAG/G998UOYNAFXAG/G998USQSAFXAG update safely. Ensure your device has at least 60% battery.

Download the G998USQSAFXAG/G998UOYNAFXAG/G998USQSAFXAG Recovery ROM (.zip file).
Transfer the file to the internal storage root directory of your Samsung Galaxy S21 Ultra (USA).
Navigate to Settings > About Phone > System Update.
Tap the OS logo 10 times to enable advanced features.
Tap the top-right menu icon and select 'Choose update package'.
Select the downloaded zip file and wait for the automated installation to complete.

Back to Samsung Galaxy S21 Ultra (USA)

Download Samsung Galaxy S21 Ultra (USA) Firmware (G998USQSAFXAG/G998UOYNAFXAG/G998USQSAFXAG)