Install Custom ROM On Samsung Galaxy M21? [Complete Guide]

In this article, I have come with a guide on How To Install Custom ROM On Samsung Galaxy M21. This guide will have No Risks of bricking or harming your Samsung Galaxy M21.

Also, This will be the easiest method to Install Custom ROM On Samsung Galaxy M21. To flash ROM we will use TWRP Recovery as it is very convenient and super easy to Flash Files and ROMs.

About Samsung Galaxy M21

This Samsung Galaxy M21 is the newly launched device by Samsung. It has some great features, Here is some Key Specification of Samsung Galaxy M21:

  • This phone comes with a 6.3 Inches Full HD+ Super AMOLED Display.
  • Samsung Galaxy M21 is powered by Samsung Exynos 9 which is an Octa-Core CPU.
  • It has 4 GB of RAM and 64 GB of Internal Storage.
  • Moving to the OS this device runs on One UI based on Android 10.0.
  • Camera – It has a Dual Rear-Facing Camera of 24 MP + 5 MP and the Front-Facing camera is 8 MP shooter.
  • Moving to the battery it has a Non-removable Li-Po 5000 mAh battery.
  • Sensors: It has the following Accelerometer, Light sensor, Proximity sensor.

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.

You Can Download Custom ROM For Your Phone From Google. Just Type Your Device Model Number + Custom ROM Different ROM Provide Different Feel And Features. So, Choose The One Which Suits Your Taste.

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
Warning!
MyPhoneUpdate Is Not Liable For Any Loss Or Damage To Your Smartphone. The Methods Shown In This Site Are Not Tested For Every Smartphone. So, Try It With Your Own Risk.

Pre Requirements

This Guide Is Only For Samsung Galaxy M21 Do Not Try This Method On Any Other Devices. If You Try Then It Can Brick Your Phone. Follow Each And Every Step Carefully.

Install Custom ROM On Samsung Galaxy M21 Using TWRP Recovery

1.) First Off Enable USB Debugging On Samsung Galaxy M21

  • 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 M21 From Google.

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

  • Next Power Off Your Device >> After That Boot Into TWRP Recovery
To Boot Into TWRP Recovery Press Volume Down + Power Button At Same Time Until You See The Boot Animation

4.) Take Backup Of Your Previous ROM

To Do That Tap On Backup >> Keep It On A Default Setting & Choose Your Storage Type >> After That “Swipe To Backup”

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 M21.

Note
The First Boot After Flashing The New ROM Can Take A While It Will Be Slow, It Usually Takes Around 2-3 Minutes. If It Takes More Time Then Don’t Freak Let It Complete There It Will Boot.

Related Article: How To Unroot Samsung Galaxy M21


Final Words: So, that’s the easiest way to Install Custom ROM On Samsung Galaxy M21. 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!

Leave a Comment