Samsung has pushed out the Android 4.1.1 Jelly Bean update just for the international Samsung Galaxy S3 variant officially and other variants are still waiting but Android development community love to solve your problems, the T-Mobile Galaxy S3 users can also now taste the Jelly Bean via a new custom ROM named HellFire Jelly, thanks to recognized XDA developer member x0xhellx0x.
The HellFire ROM is ported from the CyanogenMod 10 but the developer tweaked the ROM with some extra tweaks and features to get some better experience such as the Beats Audio, new fancy widgets, new boot animations, Rommanager app, crimson cobolt theme, HellPaper, light flow lite and many more. The ROM already includes the titanium backup app, DropBox app, Es File manager app, s suggest app, and Super SU app.
However the HellFire is still being updated by the developer, so you might face some bugs.
Read on how to install HellFire Jelly custom ROM on T-Mobile Galaxy S3, do keep in mind that the ClockworkMod recovery must be installed on your T-Mobile Galaxy S3, you can follow our this guide to install ClockworkMod recovery 6.0 and make a backup of your device data such as SMS, internet setting, contacts music files etc because the below procedure may wipe data, you can sync your contacts with Gmail account and for messages use SMS apps, lastly use file expert app to backup apps.
DISCLAIMER: Please proceed the below guide at your own risk, Android Egis will not be held responsible if your device lost data or gets damaged following this guide.
Step #1: Download the latest version of HellFire Jelly ROM from here.
Step #2: Transfer the downloaded ROM .zip file to SD card of device.
Step #3: Turn the device off.
Step #4: Reboot the device into recovery mode by holding down the volume up, home and power buttons.
Step #5: In recovery mode, create a nandroid backup of your current ROM, it’s important because if anything not work out that you expect from this ROM, you’ll be able to easily revert back to your current state. To create backup select “Backup and Restore”, and then select “Backup” again.
Step #6: Perform full wipe, select the wipe data/factory reset, and confirm on the next screen.
Step #7: Return to main menu by selecting “Go Back”.
Step #8: Select “Install Zip from SD Card” then “Choose Zip from SD Card” and locate the downloaded ROM .zip file that you’ve transferred in above step and confirm installation. Wait till installation complete.
Step #9: Once the installation is completed, select “Go Back” after that select “Reboot System Now.”
That’s it, the HellFire Jelly ROM is now installed on your T-Mobile Galaxy S3, do comment below for queries and you can also visit the original XDA thread link given in first step.
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