Samsung Galaxy S 3 T999 can be updated to Android 4.2.2 via Slim Bean ROM. We will be going through the tutorial to install Slim Bean ROM based on Android 4.2.2 Jelly Bean on Galaxy S 3 T999 which comes with better features and customization. Slim Bean is a Custom ROM and not an official ROM. There may be few bugs and issues.
Changelog of SlimBean 4.2.2 build 1
Full JDQ39 (4.2.2) base
Replaced cLock with Shiny new ‘DashClock’
Added slide before unlock
Bring back long press to toggle PW
MMS: Add Quick emoji to text input
Phone: Set my phone number
Added full hardware key rebinding (home+menu+back)
Added Kill App/Expand Notification Shade/Toggle Expanded Desktop to hardware binds
Fully configurable advanced reboot toggle
Enhance circle battery and clock
Camera: Add software HDR mode
Calendar: Add snooze to events
Enhance T9 and search
Settings: Add forget all networks to WiFi
Notification: Limit notification sounds for interval
Camera: Add animation to mode switch
Sound: Add configurable volume adjust sounds
Notification: Add custom carrier text
Enhance electron beam control
Tons and tons of more fixes and optimizations
And a little surprise for the savvy ones
On Non-English languages (and UK English) call durations in Call Log details are displayed incorrectly
Landscape lock before unlock has a small visual glitch.
The guide mentioned below is only for Galaxy S 3 T999 and will not work on any other device. To check the Model of your device go to Settings >> About Phone.
We cannot be held responsible for loss of data or any damage done to your device while following the mentioned guide.
Install Slim Bean Android 4.2.2 ROM On Galaxy S 3 T999
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.
Make sure that ClockworkMod Recovery is installed. If not installed, install ClockworkMod Recovery on T-Mobile Galaxy S3 T999.
Download Slim Bean Android 4.2.2 ROM for Galaxy S 3 T999 and Google Apps Package.
Copy the zip file to SD-Card of your device without extracting.
Switch off device.
Boot into recovery. Press and hold down the Volume Up, Volume Down and Power buttons to enter recovery.
Select “wipe data/factory reset” and in Advanced select “Wipe Dalvik Cache”.
Perform a Nandrop backup of your existing ROM. Select “Backup and Restore” and then select “Backup” again. Now, go back to main recovery menu once backup is complete.
Select “install zip from sdcard” and then select “choose zip from sdcard”. Navigate to “Slim Bean ROM” file which you have downloaded and confirm to “install”. Wait for few minutes.
Select “reboot system now”.
Slim Bean Android 4.2.2 Custom ROM is installed on Galaxy S 3 T999.