Samsung Galaxy S20 July 2021 update includes new chat feature, only for Korean users!

Samsung Galaxy S20 Series

Samsung is now releasing a new firmware update to the Galaxy S20 flagship series users in South Korea. The update improves the system security by installing the latest Android and One UI patches released in July 2021.

Apart from the security improvements, the new Galaxy S20 lineup software update comes with an additional feature related to the communication function called – “chat + message send cancellation”.

As of now, we don’t know about the exact functionality and advantages of this new chat and message send cancellation feature, but we will update this article whenever more information comes up about that.


  • Apply chat + message send cancellation function
  • Apply terminal operation related stabilization code
  • Apply terminal security related stabilization code

Along with the July 2021 security patch, the latest Galaxy S20 update also improves the overall system and device stability. At the same time, it brings fixes for some unknown errors and issues that reduce the performance.

In South Korea, Samsung Galaxy S20 series users can identify the July update via PDA build numbers: G981NKSU1DUFA, G986NKSU1DUFA, and G988NKSU1DUFA for the Galaxy S20, Galaxy S20+, and Galaxy S20 Ultra respectively.

International Galaxy S20 July update improves Camera

In the first week of the month, Samsung rolled out the July security patch for the Galaxy S20 series devices in several European markets. The hefty 800MB s/w update also included major Camera improvements for a better imaging experience. Read more

How to check for updates manually

  • Open device Settings
  • Scroll down and tap on Software updates
  • Hit the Download and install button.

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You can also see the video to know more about manual update

James Lee Taylor
James is the lead content creator on Sammy Fans and mostly works on Samsung's firmware section. His first phone was the Samsung Galaxy S4 and continue to get new S series devices. Most of the time, James tries to learn about new technologies and gadgets but he also sneaks a bit of free time to nearby rivers and nature.

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