Samsung Galaxy A21s Stock ROM (Firmware Flashing)

Have you installed a custom ROM on your Galaxy A21s and ran into bugs and issues and now want to find out if there’s a way to revert back to Galaxy A21s stock ROM? If so, then you are in the right place.

Samsung has a long list of exciting mid-ranger handsets and Galaxy A21s is one of them. The handset offers impressive specs for the affordable price.

Here, in this post we will be sharing the stock ROM or firmware or Odin flash file of Galaxy A21s. We have provided all the required download links for drivers, tools, and firmware also along with installation steps guide for your ease. This guide will be helpful if you brick your device somehow. So do read and follow the steps as given.

Download Samsung Galaxy A21s SM-217M-DS Stock Firmware Flash File

Here are the download links to revert back to Galaxy A21s stock ROM –


  • File Name:
  • Android Version: 13.0 | Download


  • File Name:
  • Android Version: 12.0 | Download

Advantages of Stock Firmware

  • Flash Stock ROM to unbrick your Galaxy A21s
  • Flash Stock ROM to Fix the bootloop issue.
  • Upgrade and Downgrade Galaxy A21s.
  • Unroot or Fix Bugs on your device.
  • Fix the lag or stutter on Galaxy A21s
  • Revert back to stock firmware will gain device warranty, if under warranty.
  • Fix OTA update issues.

Disclaimer: is not responsible for any damage happened to your device(s) while following this guide so please proceed at your own risk. However, if you have any queries or issues, you can reach us by commenting.


Steps to Install Galaxy A21s Stock ROM (Unbrick/Unroot/Back To Stock)

Galaxy A21s Stock ROM (Firmware Flashing)

Here are the steps to follow to revert back to Galaxy A21s stock ROM –

  1. Download Stock Firmware for Galaxy A21s from the download section above.
  2. After downloading the latest ODIN flash tool from the above link, install it on your computer.
  3. Now, follow our in-depth guides on how to download and install official Samsung firmware files via Odin!

How to Install Samsung Stock ROM via Odin Tool

Hope this guide is helpful to you and you have successfully installed the Galaxy A21s Stock ROM. Feel free to ask in the comments below if you have any queries.

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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