The carrier released UVDMD5 Android4.1.2 Jelly Bean for Galaxy S3 T-Mobile is here to be updated. Since the ROM update will be delivered in phases, hence not all the Galaxy S3 users will receive the Android JB 4.1.2 UVDMD5 firmware at the same time. Be patient and you would get it soonest! If not, then follow this guide to manually update your Samsung Galaxy S3 to the latest update.

You can update your Samsung Galaxy S3 via OTA and in case, you have got a rooted T-Mobile SGS3, then follow this guide to manually update the firmware on your smartphone.

Some prerequisites to update T-Mobile Galaxy S3 to UVDMD5 Android 4.1.2:

Downloadand install USB drivers for T-Mobile Galaxy S3 in your computer.Enable USB debugging option by pressingMenu>Settings>Applications. Navigateand tap onDeveloper Optionsto ensure thatUSB Debuggingis enabled.Make sure that some recovery tool likeClockworkMod recoveryis installed.Ensure that your Samsung Galaxy S3 carries more than 70% of charge.

How to updateT-Mobile Galaxy S3 to UVDMD5 Android 4.1.2official firmware:

Required files: download the firmware file onyour computer and extract thezip file. Also downloadOdinto help you install the latest firmware.

Extract and install Odin on your computer.Switch your Galaxy S3 off and boot it inDownloadmode: press and holdVolume Up, PowerandHomebuttons together. When connected successfully, you will get a message in Odin saying“Added!!”.(In case you don’t get it, try another USB port. If that doesn't help either, then re-install USB drivers).In Odin make sure that theAuto RebootandF. Reset Timecheck boxes are the only options checked and nothing else is.Click onPDAon Odin,select the update zip file and hit theStartbutton.When installation is successfully completed,on OdinID:COMwill turn green.SGS3 will restart automatically and you can disconnect your device from PC.