Earlier we shared an unofficial version of CM10.1 ROM but now we are here to inform you that CyanogenMod Team released an official CM10.1 for international variant of Samsung Galaxy S3, model number GT-I9300. What’s good about CM10.1? Apart from usual customizations this official CM10.1 is based on latest Android 4.2.1 Jelly Bean. That mean by flashing CM10.1 ROM you not only enjoy varius advance level customization that stock ROM never comes with but also latest flavor of Android. Read through this article to install Android 4.2.1 Jelly Bean based custom ROM CM10.1 on Samsung Galaxy S3 I9300.
Few notable Android 4.2.1 Jelly Bean features are multi-user support, gesture typing, new quick settings option, lock-screen widget, new camera app, photo sphere, improved Google Now, new daydream feature, miracast display and more.
Note: CyanogenMod10.1 aka CM10.1 ROM right now is a nightly build. There are high chances of flaws in it. All issues will be resolve as development progress. CyanogenMod ROM known for tons of customization as well as cool theme engine that give your device an exclusive look.
This tutorial is only for Galaxy S3, model number I9300. Don’t try this guide in any other Android device. Check your device’s model number in: Settings » About phone. Also, we are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. Although, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.
Backup your data first using below mentioned instructions, so that if you lost any data you can recover it easily.
SMS & Call Log – Use SMS, MMS & Call Log Entries Backup & Restore App
Contacts & Settings – Use Android default backup options.
Images, Songs, Videos, Files – Copy to Internal/External SD card.
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”
- Make sure your device have at least 80% battery power. [How to Check Battery Percentage in Android Phones]
- You already have USB Driver Installed for Samsung Galaxy S3 in your PC. [USB Driver].
- Backup your EFS Folder. [Guide]
- Make sure USB Debugging is enabled. [Guide].
- Your device is rooted [Guide] and have ClockworkMod Recovery Installed [Guide].
If you done everything that we mentioned above then you are ready to move in the next page of this guide where we compile an easy to follow step-by-step guide on how to install Android 4.2.1 Jelly Bean based CM10.1 custom ROM on Samsung Galaxy S3 I9300.
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