[UPDATE: July 2021 update too] US unlocked Samsung Galaxy S21 receiving June 2021 security update

[UPDATE 3 – July 13, 2021] – Unlocked Galaxy S21 July 2021 security patch

The Unlocked Samsung Galaxy S21 series is now receiving the July 2021 security patch in the US. The software versions are G991U1UES4AUFD, G996U1UES4AUFD, and G998U1UES4AUFD for the Galaxy S21 5G, S21+ 5G, and S21 Ultra 5G respectively.


July update available for US unlocked S21 Ultra on T-Mobile and Verizon from GalaxyS21

[UPDATE 2 – July 06, 2021]

In the US, T-Mobile is rolling out a new software update for the Galaxy S21 series. It comes with the software versions  G991USQU4AUF5, G996USQU4AUF5, and G998USQU4AUF5 for the Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra respectively. Check the complete changelog below:

• The performance of Camera has been improved
• Overall device performance has been improved.
• The security of your device has been improved.

June update out for S21 T-MOBILE locked. from GalaxyS21


[UPDATE 1 – July 03, 2021]

After the international variant of the Galaxy S21 series, Samsung is rolling out a new important software update to the unlocked users in the US. It included camera and performance improvements.

It also included the June 2021 security patch. The size of this update is less than 400MB. You can check the complete changelog below.

• The performance of Camera has been improved
• Overall device performance has been improved.
• The security of your device has been improved.

Software versions are:

  • Galaxy S21 5G: G991U1UEU4AUF5
  • Galaxy S21+ 5G: G996U1UEU4AUF5
  • Galaxy S21 Ultra 5G: G998U1UEU4AUF5

Finally!!!! S21 unlocked on Tmobile from GalaxyS21


[Original Article – June 10, 2021]

Samsung Galaxy S21 became the first smartphone series in the world to receive the June 2021 security patch, ahead of the Google Pixels. Subsequently, more Galaxy flagships like the Galaxy S20, S10, Note 20, Note 10, and some mid-range smartphones have also joined the party with the latest security update.


Now, the South Korean tech giant has rolled out a new firmware update for the Galaxy S21 series devices in the US that installs the latest Android and One UI patch released in June 2021. Please note that this update is rolling out for the unlocked Galaxy S21 phones

Recently, the South Korean tech giant published the June 2021 security bulletin, which clears the exact changes that arrive with this OTA. To be noted, it brings fixes for 47 CVEs from Google and 19 SVEs from Samsung for Galaxy devices

  • G998U1UES3AUE3 –  Galaxy S21 Ultra
  • G996U1UES3AUE3 –  Galaxy S21+
  • G991U1UES3AUE3 –  Galaxy S21

After the unlocked variants, Samsung and US carriers such as Verizon, T-Mobile, AT&T, and Sprint will soon release security patches for June 2021, which will be available for the Galaxy S21, Galaxy S20, Galaxy S10, Galaxy Note 20, Galaxy Note 10 and all other Galaxies, according to their ability.

The latest Galaxy S21 series software update changelog does not show any new features or major system optimizations other than security fixes. However, S21 series smartphone users will be the first to receive the Android 12-based One UI 4.0 beta and stable update later this year.

If you own a Galaxy S21 series smartphone then you can manually check for the June 2021 security update by navigating to device Settings >> Software updates >> Download and install.


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