September Security Patch 2020: A217FXXU3ATI7 For Galaxy A21S (Asia/MEA)

Samsung Galaxy A21S has started seeing the September Security Patch 2020 (A217FXXU3ATI7) update in the Asia and MEA region. The update is based on Android 10. Previously the European and South American variants of the device have already received the update.

The Samsung Galaxy A21S in some Middle East, Asia and African countries have started grabbing the September 2020 security patch update via OTA. The update brings build version number A217FXXU3ATI7.

As we mentioned it above the update brings the latest security patch update which was released by Google in September 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 A21S 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.

  • Device Name: Galaxy A21S
  • Model: SM-A217F
  • Region:  Asia and MEA
  • Android version: Android 10
  • Build Number: A217FXXU3ATI7
  • Android Security Patch Level: 1st September

September Security Patch 2020: A217FXXU3ATI7 For Galaxy A21S (Asia/MEA)


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

How To Download A217FXXU3ATI7:

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 September 2020 Security Patch on Galaxy A21S (Asia and MEA, Asia and MEA and Africa)

Disclaimer 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 good wifi and your device has more than 50% battery life remaining

Dibyashree Sharma
Dibyashree Sharma
Editorial Leader
Dibyashree Sharma graduated in Computer Science from NIT Rourkela. For the past eight years, she has been blogging about Android, which she is really passionate about. She has built a good reputation as a reliable source. Away from the digital sphere, Dibyashree enjoys playing tennis, a sport she is as passionate about as she is about technology.

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