Is G991BXXS4BVA8/G991BOXM4BULF/G991BXXU4BULG 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, G991BXXS4BVA8/G991BOXM4BULF/G991BXXU4BULG is the version shown. Check FirmwareMirror regularly for newer versions of Samsung Galaxy S21 firmware.

Download Samsung Galaxy S21 ROM - G991BXXS4BVA8/G991BOXM4BULF/G991BXXU4BULG (ACR)

Name: G991BXXS4BVA8/G991BOXM4BULF/G991BXXU4BULG for Samsung Galaxy S21
Availability: InStock
Author: Samsung

What's New

• The security of your device has been improved.

Android Version

N/A

File Size

2.18 GB

Release Date

Jan 01, 2022

Flash Method

Odin

Download ROM

Available

Download Now

File Size: 2.18 GB

Mirror Downloads (1)

Mirror 1

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

Verification & Details

Package Name:

G991BXXS4BVA8

How to Flash Odin on Samsung Galaxy S21

Please follow these steps carefully to install the G991BXXS4BVA8/G991BOXM4BULF/G991BXXU4BULG update safely. Ensure your device has at least 60% battery.

Download the G991BXXS4BVA8/G991BOXM4BULF/G991BXXU4BULG Recovery ROM (.zip file).
Transfer the file to the internal storage root directory of your Samsung Galaxy S21.
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

Download Samsung Galaxy S21 Firmware (G991BXXS4BVA8/G991BOXM4BULF/G991BXXU4BULG)