As we mentioned it above the update brings the latest security patch update which was released by Google in February Security. Most of the security vulnerabilities have been addressed. It also brings some bug fixes which were available in the previous build. Thus, you should download and install the update to your Samsung Galaxy S21 5G which will come as an OTA update to your phone. You can manually check for the update from Settings > Software update >Download updates manually. If there is no update showing on your device, then wait for few days for the update to come to your device as it is being released phase-wise manner or you can manually flash the full firmware using Odin Flash Tool.
Device Name: Galaxy S21 5G Model: SM-G991B Region: Global Android version: Android 11 Build Number: G991BXXU1AUB3 Android Security Patch Level: 1st February
Changelog
February 2021 Google Security patch Bug Fixes Security and Performance improvements
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✔ How To Download G991BXXU1AUB3:
You can download any Galaxy firmware using Samfirm Tool, Guide: Download Latest Galaxy Firmware using SamFirm Tool Or Using Frija Samsung Firmware Download Tool
Odin Flash Tool
Check sammobile website to get the latest firmware for your device [/su_note]
Steps to Install February 2021 Security Patch on Galaxy S21 5G (Global)
⚠ Disclaimer
RootMyGalaxy.net is not responsible for any damage happened to your device(s) while following this guide so please proceed at your own risk. However, we would be happy to help with any problems within our reach
Installation Guide (Manual Flashing using Odin)
If the installation is successful, you will see the message Pass in the Log Tab. [su_note note_color=”#60f894″ radius=”2″] NOTE: Before installing the updates, make sure your device is connected to good wifi and your device has more than 50% battery life remaining [/su_note]
