In this tutorial, we will guide you on how to install the Samsung SM-G998B (Galaxy S21 Ultra) flash file using the Samsung flash tool (also known as the ODIN flash tool). On this page, you will find the official stock firmware file for the Samsung Galaxy S21 Ultra SM-G998B, drivers, and flash tool.
By flashing the Stock ROM file, you can always fix the device software issue such as boot loop, lag, soft brick or hard brick, remove pattern lock, FRP lock, and many more.
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Page Contents
Samsung Galaxy S21 Ultra SM-G998B Firmware Flash Files:
| Flash File Name: SM-G998B_G998BXXU7EWCH_13.0_file.zip Build Number: G998BXXU7EWCH Security Patch: April 2023 Model: SM-G998B Android Version: 13 |
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| Flash File Name: SM-G998B_G998BXXU5DVL2_13.0_file.zip Build Number: G998BXXU5DVL2 Security Patch: December 2022 Model: SM-G998B Android Version: 13 |
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| Flash File Name: SM-G998B_G998BXXU5DWA3_13.0_file.zip Build Number: G998BXXU5DWA3 Security Patch: December 2022 Model: SM-G998B Android Version: 13 |
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| Flash File Name: SM-G998B_ G998BXXU5DVKF_13.0_file.zip Build Number: G998BXXU5DVKF Security Patch: December 2022 Model: SM-G998B Android Version: 13 |
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| Flash File Name: SM-G998B_G998BXXS5DVK1_13.0_file.zip Build Number: G998BXXS5DVK1 Security Patch: November 2022 Model: SM-G998B Android Version: 13 |
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| Flash File Name: SM-G998B_G998BXXU5CVI6_12.0_file.zip Build Number: G998BXXU5CVI6 Security Patch: October 2022 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXS5CVIF_12.0_file.zip Build Number: G998BXXS5CVIF Security Patch: October 2022 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_ G998BXXS5CVHI_12.0_file.zip Build Number: G998BXXS5CVHI Security Patch: September 2022 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXU5CVGB_12.0_file.zip Build Number: G998BXXU5CVGB Security Patch: August 2022 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXU5CVF2_12.0_file.zip Build Number: G998BXXU5CVF2 Security Patch: June 2022 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXU5CVDD_12.0_file.zip Build Number: G998BXXU5CVDD Security Patch: April 2022 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXU4CVC4_12.0_file.zip Build Number: G998BXXU4CVC4 Security Patch: March 2022 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXU4CVB8_12.0_file.zip Build Number: G998BXXU4CVB8 Security Patch: February 2022 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXU4BVB1_12.0_file.zip Build Number: G998BXXU4BVB1 Security Patch: February 2022 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXS4BVAA_12.0_file.zip Build Number: G998BXXS4BVAA Security Patch: February 2022 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXS3BUL6_12.0_file.zip Build Number: G998BXXS3BUL6 Security Patch: December 2021 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXS3BUL1_12.0_file.zip Build Number: G998BXXS3BUL1 Security Patch: December 2021 Model: SM-G998B Android Version: 12 |
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| Flash File Name: SM-G998B_G998BXXU3BUKG_11.0_file.zip Build Number: G998BXXU3BUKG Security Patch: November 2021 Model: SM-G998B Android Version: 11.0 |
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| Flash File Name: SM-G998B_G998BXXU3BUK8_11.0_file.zip Build Number: G998BXXU3BUK8 Security Patch: November 2021 Model: SM-G998B Android Version: 11.0 |
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| Flash File Name: SM-G998B_G998BXXS3AUHD_11.0_file.zip Build Number: G998BXXS3AUHD Security Patch: September 2021 Model: SM-G998B Android Version: 11.0 |
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| Flash File Name: SM-G998B_G998BXXU3AUG4_11.0_file.zip Build Number: G998BXXU3AUG4 Security Patch: July 2021 Model: SM-G998B Android Version: 11.0 |
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| Flash File Name: SM-G998B_G998BXXU3AUF6_11.0_file.zip Build Number: G998BXXU3AUF6 Security Patch: June 2021 Model: SM-G998B Android Version: 11.0 |
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| Flash File Name: SM-G998B_G998BXXU3AUE1_11.0_file.zip Build Number: G998BXXU3AUE1 Security Patch: May 2021 Model: SM-G998B Android Version: 11.0 |
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| Flash File Name: SM-G998B_G998BXXU3AUDA_11.0_file.zip Build Number: G998BXXU3AUDA Security Patch: April 2021 Model: SM-G998B Android Version: 11.0 |
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| Flash File Name: SM-G998B_G998BXXU2AUC8_11.0_file.zip Build Number: G998BXXU2AUC8 Security Patch: March 2021 Model: SM-G998B Android Version: 11.0 |
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| Flash File Name: SM-G998B_G998BXXU1AUB9_11.0_file.zip Build Number: G998BXXU1AUB9 Security Patch: February 2021 Model: SM-G998B Android Version: 11.0 |
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| Flash File Name: SM-G998B_G998BXXU1AUB3_11_file.zip Build Number: G998BXXU1AUB3 Security Patch: February 2021 Model: SM-G998B Android Version: 11.0 R |
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| Flash File Name: SM-G998B_G998BXXU1AUAC_11_file.zip Build Number: G998BXXU1AUAC Security Patch: February 2021 Model: SM-G998B Android Version: 11.0 R |
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| Flash File Name: SM-G998B_G998BXXU1AUA4_11.0_file.zip Build Number: G998BXXU1AUA4 Security Patch: January 2021 Model: SM-G998B Android Version: 11.0 R |
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Steps to Flash Stock ROM File on Galaxy S21 Ultra SM-G998B
Before we get straight to the steps to Install Stock Firmware on your Samsung Galaxy S21 Ultra, let us take a look at the pre-requirements first.
Pre-Requirements:
- This Guide is for Samsung Galaxy S21 Ultra SM-G998B
- You need a Windows PC/Laptop and a USB cable to flash the firmware.
- Charge your device with a minimum of 50% battery backup.
- You have to download the latest Samsung USB Drivers and install them on your PC.
- Make sure that you have ODIN Software installed on your PC.
- Take a backup of your device (No Root) before doing anything.
Now, let’s take a look at Steps to flash Stock ROM on Samsung Galaxy S21 Ultra.
Disclaimer:
We’re at GetDroidTips won’t be responsible for any kind of damage/error that occurs to your handset while/after following this guide or flashing any file. Proceed at your own risk.
- Download the Samsung SM-G998B firmware flash file
- Extract the contents of the firmware flash file zip.
- Launch the ODIN application
- Load the firmware files in their appropriate section
- Once you have loaded, now connect your phone to the computer (make sure to boot your device into download mode)
- Notice that the CO port will light up on Odin once you connect your phone.
- Click the Start button to install the firmware on your Samsung device.
- That’s it! You will see a PASS message once the installation is complete.
Check out our full depth video guide as well.
We hope that this guide will be helpful to you. If in case, you’re facing any issues, feel free to ask in the comments below.