A515FXXU4CTJ1 | A515FXXU4CTJ3 | October 2020 Patch for Galaxy A51 (South America)

Updated on December 05, 2020: Today Samsung rolled the October 2020 security patch to Galaxy A51 in South America with build number A515FXXU4CTJ3.

On this page, we will share the October 2020 security patch for the Galaxy A51 with build number A515FXXU4CTJ1. The update is live in all South American countries.

It is now rolling in Mexico, Peru, Argentina, Paraguay, Uruguay, Brazil, Columbia, Chile, Trinidad, and Tobago, Panama, Bolivia, and will soon available in your region.

A515FXXU4CTJ1 | October 2020 Patch for Galaxy A51 (South America)

Check Software Update on Galaxy A51:

You will get this software update on your Galaxy A51 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 A515FXXU4CTJ1.

Before upgrading, make sure you have enough juice (battery backup) on your Galaxy A51 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 A51.

Firmware Detail:

  • Device Name: Samsung Galaxy A51 (SM-A515F)
  • Region: South America
  • Build Number: A515FXXU4CTJ1 / A515FXXU4CTJ3
  • Android OS Version: Android 10
  • Software Supported: ODIN Tool
  • Android Security Patch Level: 2020-10-01
  • Supported Countries: Austria, Switzerland, Romania, Luxembourg, Spain, Netherlands, Czech Republic, Serbia, Ireland, UK, France, Germany, Hungary, Italy, Bosnia and more regions.

How to Install October 2020 Patch on Galaxy A51

In order to flash the firmware manually on your Samsung Galaxy A51 device, then you need to download the ODIN flash tool, firmware file, and drivers.


  • This firmware (A515FXXU4CTJ1) is only supported for Samsung Galaxy A51.
  • 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:

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

I hope this guide was helpful to install the October 2020 security patch (A515FXXU4CTJ1) on Galaxy A51.

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