SM-G991U Firmware is available. Download the latest Android 12 you are looking for Samsung Galaxy S21 5G. Take a good look at the description, only get the file that fits your phone.

This Galaxy S21 5G comes in a variety of model numbers as SM-G991B/DS (International), SM-G991B, SM-G991U, and SM-G991U1 (USA unlocked). So it is important to download the right stock ROM file as SM-G991U firmware. Then you need to compare it with your device Model Number as SM-G991U.

Download the latest firmware (Stock ROM) for Samsung Galaxy S21 5G. You can find the SM-G991U Firmware version numbers as PDA Code and CSC code in the below list on this page. So, It should be a product code country-specific. Galaxy S21 5G has to be released most current android version with a compatible device. So, It has to be an Android 12 update for the device.

Why Need SM-G991U Firmware

The ROM flash file is necessary when you want to do some of the following software related tasks:

• Upgrade or downgrade the device’s firmware.
• To Fix Android update compatibility issues.
• Reinstall the Android OS.
• Device stability improvements, bug fixes.
• If need improvements to performance.
• If the Rooted device needs to Unroot then you need a Stock ROM flash file.
• To Fix Android issues and app compatibility issues.
• Fix unknown baseband error.
• Fix Errors like boot loop, hanging on the Samsung logo, and rebooting continually.
• If you need custom android development.
• Recover malware, virus, spyware, and more.

Samsung SM-G991U Firmware Download

Android 12

Mostly latest firmware has been improved Overall stability of your device. And the system security has been further enhanced. But If you need to downgrade the Android version. Then, Download and install or flash the previous android version.

File List

If this is not the file you need, find the file you want here: Samsung Firmware

What is the difference between sm-g991u vs sm-g991u1?

Both represent the USA model code. Model number sm-g991u is the “lock” version that is tied to any specific carrier. SM-G991U1 is an “unlocked” phone that is not tied to any specific carrier (network).

A “lock” is a means that prohibits your phone from being used on another cellular network. An “unlocked” phone, can be used with any carrier on a compatible network. That’s just one of the advantages.

Galaxy S21 5G Specifications

These specification-related models are SM-G991U.

• Released in January 2021. January
• Device Dimensions are 151.7 x 71.2 x 7.9 mm.
• Weight is 169 g and displays size as 6.2 inches with Corning Gorilla Glass Victus Protection.
• Released with Android Android 11, One UI 3.1.
• Processor chipset is Qualcomm SM8350 Snapdragon 888 5G (5 nm), CPU Octa-core.
• Internal Storage 128GB and 8GB RAM or 256GB and 8GB RAM.
• Main Camera 64MP and Front camera 10 MP.
• Non-removable battery Li-Po 4000 mAh with Fast battery charging.
• USB Type-C 2.0
• FM radio (Snapdragon model only)