In this article, I have come with a guide on How To Install Custom ROM On Samsung Galaxy A21. This guide will have No Risks of bricking or harming your Samsung Galaxy A21.

Also, This will be the easiest method to Install Custom ROM On Samsung Galaxy A21. To flash ROM we will use TWRP Recovery as it is very convenient and super easy to Flash Files and ROMs.

About Samsung Galaxy A21

This Samsung Galaxy A21 is the newly launched device by Samsung. It has some great features, Here is some Key Specification of Samsung Galaxy A21:

• Rumored

What Is Custom ROM?

Custom ROM is a modified version of the ROM. Custom ROM comes with lots of cool features and customization that your original ROM does not have. You can install Custom ROM with the help of custom recovery weather its TWRP Recovery.

I recommend websites like XDA Developers as they are the most trusted place to download ROM. Any ROM will work as long it is made for your specific device.

Advantages Of Installing Custom ROM

• You will be able to Remove Bloatware
• Upgrade Your Phone To Latest Version Of Android
• Experience New User Interface/ Custom Design
• You will get lots of customizations

Disadvantages Of Installing Custom ROM

• Your phone warranty will be void
• If you missed any steps your phone will be stuck in a boot loop
• You will not get OTA Updates
• You have manually Update your phone

Pre Requirements

• Important Step: Install TWRP Recovery On Samsung Galaxy A21
• Fully Charge Your Samsung Galaxy A21 Smartphone
• To Install Custom ROM On Samsung Galaxy A21, Your Phone Must Be Rooted. Follow this guide on How To Root Samsung Galaxy A21
• Also, Unlock Bootloader On Samsung Galaxy A21
• Make Sure To Move Your ROM File To Internal Storage

Install Custom ROM On Samsung Galaxy A21 Using TWRP Recovery

1.) First Off Enable USB Debugging On Samsung Galaxy A21

• Go To Settings >> About Phone >> Now Tap On Build Number 6-7 Times >> Now Go Back >> Go To Advanced Settings >> Developer Options >> Enable USB Debugging

2.) Now Download Custom ROM For Samsung Galaxy A21 From Google.

3.) Move The ROM File To Your Phone Internal Storage

• Next Power Off Your Device >> After That Boot Into TWRP Recovery

4.) Take Backup Of Your Previous ROM

5.) Once The Backup Process Completes

Now let’s Proceed To Flashing Process

6.) Go Back To Main Menu >> Tap On “Wipe & Swipe To Factory Reset”

• Go Back >> Again Tap On Wipe >> Advanced Wipe >> Check “System” >> Now “Swipe To Wipe”
• After That Tap On Home Button >> Tap On Install >> Locate The ROM & Select It >> Now “Swipe To Confirm Flash”

7.) That’s It 🙂 You Have Successfully Install Custom ROM On Samsung Galaxy A21.

Related Article: How To Unroot Samsung Galaxy A21

Final Words: So, that’s the easiest way to Install Custom ROM On Samsung Galaxy A21. If you want to ask any questions related to Installing Custom ROM then make sure to comment down below. We would love to hear from you!