Install Android 12 on Galaxy A21s (AOSP ROM) – How to Guide!

In this tutorial, we will guide you to install Android 12 Custom ROM on Samsung Galaxy A21s (codenamed SM-A217F). The device was launched in the year 2020. The handset came with Android 10 and was later upgraded to Android 11, One UI 3.1. If you are someone who wants to install the vanilla version of Android 12, then this guide is for you.

What’s on the Android 12 version?

When it comes to features, it includes all-new, colorful, yet minimalist widgets that are now more lively than before. The dynamic theme with wallpapers, on the other hand, is more expressive of your mood. With the ‘Material You’ design, the notification shade, lock screen, and its notifications, glance screen, volume controls, quick shortcut tiles, redesigned power menu, transitions or animations, and so on, everything looks and feels amazing.

Meanwhile, the Privacy Dashboard function is fantastic, as is the privacy icon at the top of the screen. Scrolling screenshot support, improved notifications, and quick reply feature, on-device search feature, easy Wi-Fi sharing, one-handed mode, quick back tap feature, haptic-coupled audio effect, Android 12 updates via Google Play, App hibernation, all-new emojis, improved auto-rotate, and a lot more are among the features.

Important Notes!

This ROM will only work on this device, Don’t try this on any other device.
Follow the steps correctly otherwise you may brick your device. We are not responsible for any damage to your phone.
It will erase all your data, so we advise you first to take a complete backup of your phone and then proceed.
Ensure that your phone has at least 50-60% charged to prevent the accidental shutdown in-between the process.

Requirements!

You must have TWRP Recovery Installed on your device. (Learn here: How to install)

XDA Development Forum: Here!

(☝Check this XDA Forum for Exact Details on how to Install this ROM also check if there’s a patch need to be flash)

▼DOWNLOAD FILES

Download AOSP ROM

BiTGApps R26 Android 12 GAPPS
BiTGApps R39 Android 12 GAPPS

Check out which G-App is compatible with your device from Here!

Instructions to Install

1. First Download & Install a Custom Recovery on your device (TWRP is recommended), If you already have installed then skip this step.


2. Download ROMGapps .zip file and save it on your device’s internal storage or SD Card.


3. Now Boot your device into TWRP Recovery Mode. (if you don’t know how to boot your device into twrp recovery then you can search it on Google)


4. Now in TWRP create a Nandroid Backup of your device for safer side. If anything goes wrong, you can restore back to your older ROM. (How to Take Nandroid Backup)


5. Now do a Factory Reset of your device, Goto WipeAdvanced WipeSelect CacheDalvik CacheSystem, and Data. Then Swipe to Wipe.


6. Now go back to TWRP Main Menu by pressing the Center navigation button.


7. Now Select Install, Locate the ROM zip file and Swipe to Confirm Flash.


8. After the flashing completes, Flash the Gapps in the manner.


9. After Gapps flashing completes, Select Wipe cache/dalvik from the bottom left side of the screen, & Swipe to Wipe.


10. After wipe completes, Click on Reboot System.


That’s it Now you have successfully installed the latest Android on your device, the first boot will take some time so please don’t panic!


If you have any questions regarding the ROM or the installation process, use the comments section below to reach us or contact to XDA forum members from the link above.

Subscribe
Notify of
guest

0 Comments
Inline Feedbacks
View all comments
0
Would love your thoughts, please comment.x
()
x