AT&T Galaxy S 3 I747 to latest latest Android 4.2.2 Jelly Bean via LiquidSmooth ROM. LiquidSmooth is a Custom ROM and not an official update from Samsung or Sprint. We will be going through the guide to install LiquidSmooth Android 4.2.2 Jelly Bean on AT&T Galaxy S 3 I747. LiquidSmooth ROMs are smooth and improve the performance of your device.
Key Features of LiquidSmooth ROM
Google GCC 4.7 Toolchain
Optimised String Handling Routines (Linaro/Sony)
Misc other Linaro and Code Aurora Optimaztions
Customisable lockscreen buttons and sliders
Chronus clock widget
Customisable hardware and software keys
Transparent navbar and status bar
Customisable navbar ring
Navigation bar widgets
Customisable power menu
Customisable quicksettings panel
Volume rocker music controls
Customisable battery and notification light
The guide mentioned below is only for AT&T Galaxy S 3 I747 and cannot be tried on any other device. You can check Model number of device by going to Settings >> About phone.
We cannot be held liable of any damage done to your device while following the below mentioned procedure.
Install LiquidSmooth Android 4.2.2 Jelly Bean ROM on AT&T Galaxy S 3 I747
Take a complete backup of data,apps and settings as the procedure may wipe your data.
Make sure that the battery of device has a minimum charge of 60%.
Enable “USB debugging” on your device by going to Settings >> Developer options >> Enable USB debugging.
ClockworkMod Recovery should be installed. Guide to install ClockworkMod recovery on AT&T Galaxy S3.
Download LiquidSmooth Android 4.2.2 ROM on AT&T Galaxy S 3 I747(Liquid-JB-v2.1-RC1-d2att.zip) and Google apps package (gapps-jb-20121212-signed.zip).
Copy both the zip files to SD-Card of your device without extracting.
SWitch off device and boot into recovery. You can do that by holding down Volume down and Power buttons simultaneously and then using Volume buttons select Recovery mode.
Take a backup of your existing ROM so that you can revert later if required. Select “Backup and Restore” and then select “Backup” again.
Select “wipe data/factory reset” and confirm to wipe data completely. Wait for few minutes till the data gets wiped.
Select “install zip from sdcard” and select “choose zip from sdcard”. Navigate to Slim Bean ROM file and select to confirm installation. Wait for installation to get complete.
Similarly, select “choose zip from sdcard” again and select to install “Google apps package”.
Select “Go Back” and select “Reboot System Now” to reboot your device.
LiquidSmooth ROM Android 4.2.2 Jelly Bean on AT&T Galaxy S 3 I747 is installed.