As you guys know that Samsung has denied a kitkat update for the Samsung Galaxy S 3 and currently the phone stuck on the Android Jelly bean OS. But know you can enjoy the Android 4.4.4 kitkat OS on your S 3, all credit goes to the XDA developer arter97, who released the KitKat 4.4.4 ROM based on the Galaxy S3 LTE build of the software. If you are the Samsung Galaxy S3 GT-I9300 user and want to update your phone with this Android 4.4.4 kitkat rom, here is the guide which you can follow on your phone and get this update.
Your warranty is void if you follow the given instruction in this guide. We the Howtorootmobile.com team or the developers are not responsible for bricked devices, dead SD cards. Read all the instruction very carefully and Perform everything at your own risk.
CHECK PHONE MODEL
This guide is only for the Samsung Galaxy S3 GT-I9300 android smartphone. Don’t try this method on any of other Android devices, It may hard brick your device. So, first confirm your phone model number in your android phone settings. To do this Go the Settings page of your device and check out the “About Device” option.
PRE-REQUISITES AND REQUIREMENTS
Before following the below Mention guide, It’s always recommended to follow our pre-requisites and requirement to stay safe.
1. BACKUP YOUR ANDROID DATA
Do take the Full Backup of your Android Apps, SMS, Contacts, Call Logs, Bookmarks. This one is one of the most important step that you have to follow, as we don’t want anyone losing their personal data or apps. For help on Backup and Restore check out the below mention guides.
BACKUP ANDROID APPS, SMS, CONTACTS, CALL LOGS, & BOOKMARKS
BACKUP ANDROID DEVICE WITH THESE FREE APPS
BACKUP AND RESTORE WHATSAPP MESSAGES
2. INSTALL SAMSUNG GALAXY DRIVERS
You need these drivers to connect your device with the computer to follow this guide. Without these USB drivers you can’t connect your device to the PC, first download and install these drivers on your system.
3. ENABLE USB DEBUGGING MODE
Now you need to enable USB debugging mode. Without enabling USB debugging mode on your device you can’t start the root, Custom ROM or Unlock process.
4. CHARGE YOU ANDROID
If your device switched off during this process, it could damage or brick the device. Make sure that your Android battery is full charge or near about 50-70% battery level.
After following the above mention steps follow the below mention guide one by one to proceed with the tutorial. All the above mention steps are very important, so do follow all the steps and do exactly what is told.
INSTALL ANDROID 4.4.4 ON GALAXY S3
Step 1. To get start you need a rooted S3 phone with CWM recovery.
Step 2. Download the ROM file for S3 here and save it on your desktop.
Step 3. Connect your phone to the PC with USB cable and move the zip file on your phone.
Step 4. Turn off your Galaxy S3 and reboot into Recovery by pressing and holding the Volume Up, Power and Home buttons simultaneously.
Step 5. Wipe all data on your phone for a clean install of the 4.4.4 ROM.
Step 6. Flash the ROM through Recovery and then flash SuperSU. Reboot and you’re done.
That’s it. Now your Galaxy S 3 phone is running on Android KitKat 4.4.4.