Today Samsung released a new build number A217MUBS3ATK2 for the Galaxy A21S (SM-A217M) in the South American region. It will be live in other countries very soon. With this update, Samsung brings November 2020 Security Patch update which fixes a critical security vulnerability and improves system stability.
Table of Contents
Check Software Updates
If in case, you’re not getting the official OTA update notification on your Samsung Galaxy A21S device then you don’t have to worry about it. Just tap on the Settings menu > Software Update > If available for your region, tap on Download and Install.
Make sure to check for the mentioned build number (A217MUBS3ATK2) of the update as well. However, if you have some pending updates available, we’ll recommend you to complete installing all the available updates to get a new one in the future.
Just make sure to connected to a good mobile data or Wi-Fi network for a better downloading speed. Also, keep in mind to have a proper battery backup on your Galaxy A21S (around 50%).
However, if in case, there is no update available on your device, we have an additional method that you can manually follow below. First of all, let’s check out the firmware update info before heading over to the manual firmware installation method.
- Device Name: Samsung Galaxy A21S (SM-A217M)
- Region: South America
- Supported Countries: Mexico, Peru, Argentina, Paraguay, Uruguay, Brazil, Columbia, Chile, Trinidad, and Tobago, Panama, Bolivia
- Build Number: A217MUBS3ATK2
- Android OS Version: Android 10
- Software Supported: ODIN Tool
- Android Security Patch Level: 2020-11-01
How to Install November 2020 Security Patch on Galaxy A21S
Before jumping into the firmware flashing process, ensure to check out the requirements, and download links. You’ll require to download the ODIN flash tool, firmware flash file, and drivers on your computer. Let’s take a look.
- This stock firmware (A217MUBS3ATK2) is only applicable for the Samsung Galaxy A21S model.
- Keep your device charged up to 50% to avoid occasional shut down during the firmware flashing process.
- A Windows PC/Laptop and a USB Data Cable will require.
- Make sure to a full data 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. Do the manual flashing process at your own risk. Taking a full data backup is always recommended.
- A217MUBS3ATK2 | Download Samsung Firmware | Frija Tool or Samfirm Tool
- Download Samsung USB Drivers
- Download and Install the Samsung Kies software on your PC
- Download Flash Tool: ODIN Flash tool
Firmware Installation Guide:
- First, download all the necessary files on your PC including the ODIN Flash Tool.
- Install and launch the ODIN flash tool > Select the Galaxy A21S stock firmware file according to your region to flash it.
- You can check out the full depth firmware flashing guide here: How to Install Samsung Stock Firmware Using Odin Flash Tool
- For better visualization support, you can also check out our full-depth video tutorial.
That’s it, guys. We hope you’ve now successfully installed the latest November 2020 security patch (A217MUBS3ATK2) on your Samsung Galaxy A21S device. Have some queries? Let us know in the comment section below.