G977BXXS6DTK9 – Galaxy S10 5G December 2020 security patch rolls out

Samsung rolls out the December 2020 security patch update with build number G977BXXS6DTK9 to Samsung Galaxy S10 5G. It is based on Googe’s latest Android 10.

This update is currently being rolled for Samsung Galaxy S10 5G devices in the European region. If you are a  Galaxy S10 5G user and live in that region, you may have already received the December Security Patch OTA  update notification on your device. As per early trends, the update is live in countries like Serbia, Ireland, UK, France, Germany, Hungary, Italy, Bosnia, Romania, Luxembourg, Spain, Netherlands, Czech Republic, Switzerland and Austria

If the update has not been on your device’s system update section, then just wait for few more days for the update to come, else you can manually download and flash the G977BXXS6DTK9 December 2020 Security Patch on Galaxy S10 5G using Odin by following our guide.

Galaxy S10 5G December Security Patch update rolls out

  • Device Name:  Galaxy S10 5G
  • Model: SM-G977B
  • Region: Europe
  • Android version: Android 10
  • Build Number: G977BXXS6DTK9
  • Android Security Patch Level: 1st December

As we mentioned it above the update brings the latest security patch update which was released by Google in December Security. Most of the security vulnerabilities have been addressed. It also brings some bug fixes which were available in the previous build. Thus, you should download and install the update to your Samsung Galaxy S10 5G which will come as an OTA update to your phone.

You can manually check for the update from Settings > Software update >Download updates manually. If there is no update showing on your device, then wait for few days for the update to come to your device as it is being released phase-wise manner or you can manually flash the full firmware using Odin Flash Tool.

G977BXXS6DTK9- Galaxy S10 5G December 2020 security patch rolls out


  • December 2020 Google Security patch
  • Bug Fixes
  • Security and Performance improvements

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How To Download G977BXXS6DTK9:

You can download any Galaxy firmware using Samfirm Tool, Guide: Download Latest Galaxy Firmware using SamFirm Tool


Using  Frija Samsung Firmware Download Tool

Check sammobile website to get the latest firmware for your device


Steps to Install December 2020 Security Patch on Galaxy S10 5G

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RootMyGalaxy.net is not responsible for any damage happened to your device(s) while following this guide so please proceed at your own risk. However, we would be happy to help with any problems within our reach


Installation Guide (Manual Flashing using Odin)

  1. First, download the firmware file from the download section above
  2. Now Enter the recovery mode on your device, then follow the linked guide below to Install Security Patch Update On your Galaxy device
  3. If you want to sideload the OTA then follow the guide below
  4. If you want to Install the Full Firmware File then follow the guide given below (Odin Method)

If the installation is successful, you will see the message Pass in the Log Tab.

Note:Before installing the updates, make sure your device is connected to a good wifi and your device has more than 50 percent battery life remaining


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Dibyashree Sharma

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