How To upgrade Android 4.2.2 on Galaxy S3

SlimBean is a featured custom ROM that arise with advanced features, apps and functions that cannot be take place in the basic version of the Android system. This update available with the CM10.1 RC4 one, which can also be anytime installed on all the US models of the Galaxy S3 T999, I747, I535 and L710.Start the update procedures with a root procedure. you have to previously root your Galaxy S3, or else you won’t be able to update it with the Slim Bean JB 4.2.2 custom firmware.

•     You can Get the update requirements SGS3 T999 and Galaxy S3 I535.
•     Save the update tools on your computer.
•     Then, Get the Google Apps package because you will have to install it individually.
•     Do not Extract.
•     S3 USB Data cable to connect your galaxy s3 with the PC.
•    Copy and paste the requirements package SGS3 T999 and Galaxy S3 I535  to your phone’s SD card.
•     Disconnect the galaxy s3 and power off your Device.
•     Then, reboot by pressing and holding on the Power, Volume Up and Home buttons jointly.
•     Then you will be able to see the recovery mode men
•     Now with the recovery tool, select “wipe data factory reset”, “wipe cache partition” and “wipe dalvik cache” – do backup the data first.
•     Press back and get “install zip from sd card” option in menu and then “choose zip from sd card”.
•     Get the firmware package and install the Slim Bean ROM on your Samsung galaxy S3.
•     Then,again Press back and get “install zip from sd card” option in menu and then “choose zip from sd card”apply the Google Apps package.
•     At last , from recovery choose the “+++go back+++” and “reboot system now”options.
•     This booting will first takes longer than normal reboot.
•     if your Galaxy s3 gets hanged into a boot loop, again reboot into recovery by above mentioned step and select “wipe data factory reset” and “wipe cache partition” and reboot.