Welcome to the Samsung Galaxy S21 update hub. Here you’ll find the latest information on updates to the Samsung Galaxy S21, Galaxy S21 Plus, and Galaxy S21 Ultra. We’ll detail the current software versions for each device and alert you if there’s a new update rolling out. Samsung usually pushes out updates to the entire series, but this may vary per variant and carrier.
All the three Galaxy S21 series phones launched with Android 11 and Samsung’s One UI 3.1 skin on top. Samsung will offer three major Android OS updates to the Galaxy S21, S21 Plus, and S21 Ultra. The company also guarantees four years of security updates for all devices.
- Current stable version: Android 11
- When will the Galaxy S21, S21 Plus, and S21 Ultra get Android 12? December 2021 (Estimated)
Latest Samsung Galaxy S21, S21 Plus, and S21 Ultra update
May 28, 2021: Samsung has started rolling out the June security patches for the Galaxy S21 series (h/t SamMobile). The update carries firmware version G991NKSU3AUE8, G996NKSU3AUE8, and G998NKSU3AUE8 for the Galaxy S21, Galaxy S21 Plus, and the Galaxy S21 Ultra respectively.
Currently, the security patches are only rolling out in South Korea, but you can expect them to hit your devices via an over-the-air update in the coming days.
To check if the update’s available for your device head to Settings > Software update and tap on Download and install.
Previous Samsung Galaxy S21 series updates
April 27, 2021: Samsung rolled out firmware version G99xBXXU3AUDA (h/t SamMobile) to the Galaxy S21, S21 Plus and S21 Ultra with a hefty download size of 1.2GB. It brought the May 2021 security patch to the phones and contained improvements to both the camera and Quick Share feature.
March 29, 2021: Samsung rolled out firmware version G99xxXXU2AUCB (h/t SamMobile) to the Galaxy S21 series. It weighed in at around 1.14GB and brought the April 2021 security patch alongside a number of camera improvements. The Portrait mode was made usable on the phones’ primary shooter. The changelog also pointed to “overall device performance” improvements.
February 14, 2021: This Samsung Galaxy S21 update brought firmware version G99xBXXU1AUB6 and weighed in just under 260MB. Per the changelog, it brought device stability improvements, additional performance buffs, and enhanced features.
February 1, 2021: The Galaxy S21 series received the February 2021 Android security patch in its first post-launch update. However, users on Reddit and Samsung’s forums discovered the update may have caused battery drain issues on some devices. Those experiencing issues noted that switching the phone to airplane mode halted the drain, which suggested mobile network connectivity was the culprit.
January 26, 2021: Well before the Galaxy S21, Galaxy S21 Plus, and Galaxy S21 Ultra landed in consumers’ hands, Samsung rolled out two updates. Per SamMobile, firmware versions G991BXXU1AUAB, G996BXXU1AUAB, and G998BXXU1AUAC improved camera and device performance and weighed in at around 278MB.
What Samsung Galaxy S21 update are you running? Let us know in the comments. Also, if you’ve spotted an OTA that we haven’t, tip us!
If you’re looking for another update, be sure to visit our Android 11 update tracker.