Download the SM-G991U1 firmware of Android 12 for the Samsung Galaxy S21.

In any case, the Samsung Galaxy S21 with the SM-G991U1 model number has updated firmware. Additionally, you can download a Android 12 firmware file on your PC to flash the device. Okay, grab the SM-G991U1 firmware for the Samsung S21.

Different model numbers for the Galaxy S21 exist, including SM-G991B, SM-G991U (USA), SM-G991U1 (USA unlocked), SM-G991W (Canada), SM-G991N (Korea), SM-G9910 (China). Therefore, downloading the correct stock ROM file for the SM-G991U1 firmware is essential. Then, you must compare it to your SM-G991U1 device model number. Get this just if it fits, we advise.

Download the latest firmware (Stock ROM) for Samsung Galaxy S21. You can find the SM-G991U1 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 S21has to be released most current android with compatible the device. So, It has to be an Android 12 update for the device.

If you want to find another file, see Samsung Firmware

Why Need SM-G991U1 Firmware

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

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

Samsung SM-G991U1 Firmware Download

Because these files are kept on Google Drive, the download link may be found there. No restrictions, so don’t worry.

Android 12

On your PC, download and extract the stock firmware package. As a result, when you open the extracted folder, the firmware folder ought should be visible. The folder should contain five files as listed below.

File List

Most recently released firmware has improved. Your device’s general stability. Additionally, the security of the system has been improved. However, you may need to downgrade your Android version. Next, download the older version of Android and install it.

Android 11

Download previous android versions using the below links.

• PDA: G991U1UES3AUE3 / CSC: G991U1OYM3AUE3 / Product Code: ACG
  File Name: G991U1UES3AUE3-G991U1OYM3AUE3-ACG-Android11-Full.rar
  Download Link (5.4 GB)

Note: The Galaxy S21 memory is completely cleared when the SM-G991U1 firmware is flashed. Because of this, be sure to backup the data onto a computer.

Galaxy S21 Specifications

These specification related models SM-G991U1.

• 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)