A105MUBS6BUC3 | March 2021 Patch for Galaxy A10 (South America)

Today Samsung Galaxy A10 received the March 2021 security patch with software build number A105MUBS6BUC3. This update is based on Android 11 and brings nothing new except the security patch fixes.

According to folks at Sammobile, this update fixes the five critical-risk vulnerabilities found in the Android OS, along with dozens of moderate and high-risk vulnerabilities. It also fixes 21 vulnerabilities discovered in Samsung’s software.

A105MUBS6BUC3 | March 2021 Patch for Galaxy A10 (South America)

Check Software Update on Galaxy A10:

You will get this software update on your Galaxy A10 as an OTA (over the air). If you haven’t received it yet, then check for the OTA update manually by following this:

Settings > Software Update > Tap on Download and Install if you find the new build number A105MUBS6BUC3.

Before upgrading, make sure you have enough juice (battery backup) on your Galaxy A10 and connected to a good WiFi network. If there is no new update, then follow this guide to manually install the firmware on your Galaxy A10.

Firmware Detail:

  • Device Name: Samsung Galaxy A10 (SM-A105M)
  • Region: South America
  • Build Number: A105MUBS6BUC3
  • Android OS Version: Android 11 R
  • Software Supported: ODIN Tool
  • Android Security Patch Level: 2021-03-01

How to Install March 2021 Patch on Galaxy A10

In order to flash the firmware manually on your Samsung Galaxy A10 device, then you need to download the ODIN flash tool, firmware file, and drivers.


  • This firmware (A105MUBS6BUC3) is only supported for Samsung Galaxy A10.
  • Charge your device to 50% in order to avoid power-related interruptions during the installation process.
  • You need a PC and USB Cables.
  • Take a backup before flashing the software on your device.


GetDroidTips will not be responsible for any kind of hardware or software damage to your device while or after you follow this guide. Install non-official firmware on your device at your own risk.

Download Links:

Firmware Installation Guide:

  1. Download the ODIN Flash Tool on your PC
  2. Make sure to download the new firmware and move it to the desktop
  3. Open the ODIN and select the firmware file to flash it.
  4. To know the process, read our guide on how to flash Samsung firmware using Odin
  5. Also, check out our video tutorial.

I hope this guide was helpful to install the March 2021 security patch (A105MUBS6BUC3) on Galaxy A10.

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