March 2021 security update rolling out to Samsung Galaxy S21 series

Samsung is rolling out a new software update to its flagship Galaxy S21 series. The update bumps the Android monthly security patch level to March 2021, thereby making the device more secure. 

G996BXXU1AUB3 - Galaxy S21 Plus 5G February 2021 security patch update (Global)

In addition to a new security patch, the update also improves camera and device performance. It is rolling out with firmware versions G9910ZHU1AUB7, G9960ZHU1AUB7, and G9980ZHU1AUB7 for Galaxy S21, S21+, and S21 Ultra respectively.

As per the report, the latest update for Galaxy S21 series is currently rolling out in Taiwan. But, it should reach other regions very soon. To update your Samsung smartphone with the latest update, navigate to Settings >> Software update then tap on Download and install. 


  • Galaxy S21
  • Galaxy S21+
  • Galaxy S21 Ultra


  • G9910ZHU1AUB7
  • G9960ZHU1AUB7
  • G9980ZHU1AUB7


  • 387MB


  • Improved Performance
    • The performance of Camera has been improved.
    • Overall device performance has been improved.
  • The latest Android security patch has been applied.
    • Device security has been further enhanced.


Rootmygalaxy a.k.a RMG was started in 2015 with a solo goal of Helping users with easy How-to guides. Slowly the website started sharing exclusive Leaks and Tech News. In these 5 years, we have been credited by the likes of Forbes, CNBC, Gizmodo, TechCrunch, Engadget, Android Authority, GSM Arena and many others. Want to know more about us? Check out our About Us page or connect with us Via Twitter, Facebook, Youtube or Telegram.

Vicky Kumar is a close follower of tech especially when it comes to smartphone. He is passionate to write about the new updates in technology. When he is not working, you'll find him watching cricket highlights or surfing the web.

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