Welcome to the Samsung Galaxy S21 Update Hub. Here you will find the latest information about updates for the Samsung Galaxy S21, Galaxy S21 Plus, and Galaxy S21 Ultra. The current software version of each device is detailed and notified when new updates are available. Samsung usually pushes updates across the series, but this can vary by carrier and carrier.
All three phones in the Galaxy S21 series run Android 11 on top of Samsung’s One UI 3.1 skin. There are three major Android OS updates on the Samsung Galaxy S21, S21 Plus and S21 Ultra. The company also provides 4 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 updates
28 May 2021: Samsung has started rolling out the June security patch for the Galaxy S21 series (h/t). Sam Mobile). This update includes firmware versions G991NKSU3AUE8, G996NKSU3AUE8 and G998NKSU3AUE8 for Galaxy S21, Galaxy S21 Plus and Galaxy S21 Ultra respectively.
Currently, the security patch is only being distributed in South Korea, but we can expect it to be applied to devices via an over-the-air update in the next few days.
To check if any update is available on your device. Set > Software Updates and tabs Download and install..
Previous updates of Samsung Galaxy S21 series
27 April 2021: Samsung’s firmware version is G99xBXXU3AUDA (h/t Sam Mobile) can be added to the Galaxy S21, S21 Plus and S21 Ultra, with a download capacity of 1.2 GB. The phone has received the May 2021 security patch and both the camera and instant sharing features have been improved.
29 March 2021: Samsung has released firmware version G99xxXXU2AUCB (h/t Sam MobileAdded to the Galaxy S21 series. It weighed around 1.14 GB and brought the April 2021 security patch along with several improvements to the camera. Portrait mode has been made available for basic shooting games on the phone. Improvements to “overall device performance” were also noted in the changelog.
14 February 2021: This Samsung Galaxy S21 update comes with firmware version G99xBXXU1AUB6 and weighs less than 260MB. Based on the changelog, this led to improvements in device stability, additional performance improvements, and enhancements.
1st February 2021: The Galaxy S21 series received the February 2021 Android security patch in the first post-launch update. However, users on Reddit and the Samsung forum have discovered that the update may cause battery drain issues on some devices. People who have experienced this issue have pointed out that the mobile network connection was the culprit as putting the phone in airplane mode stopped the leak.
26 January 2021: Long before the Galaxy S21, Galaxy S21 Plus and Galaxy S21 Ultra reach consumers, Samsung released two updates. Party Sam Mobilefirmware version G991BXXU1AUAB, G996BXXU1AUAB and G998BXXU1AUAC It has improved camera and device performance and weighs around 278 MB.