sgs3As frustrating as it is to receive an update so late compared to others, T-Mobile users should still be pretty excited about getting their Android 4.1.2 JB update, finally. This is quite a large update weighing 186.72 MB and it also brings in some exciting features, including Multi Window, Samsung's feature introduced first with the Note 2 that allows you to run two apps in the same time on your device.The update named T999UVDMD5 can be pushed on the device using Kies or OTA. If you are not receiving the Over The Air notice, then there's no problem to check and install it manually using Samsung Kies. The update will be pushed to you only if you are currently running T999UVDLJC, otherwise just use Kies.What's new in Android 4.1.2 for T-Mobile Galaxy S3?First of all T-Mobile has decided on the following features to come with the update: Multi Window, Auto-pairing using NFC, Better Camera options, Sound Balance, Paper Artist, Samsung Gallery, Blocking Mode, Easy Mode. Based on user testimonials, also Group Play finds itself among the new added features.If you are looking for a different update method aside from the 'usual' ones, you can go ahead and download the firmware from Sammobile's firmware page or click on the Download link here:

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What's my model number?

There are several ways to locate your model number:

Option 1
On your device, go to Settings, then "About device" and scroll down to "Model number"
Option 2
Often times you can view the model number inside the device, by removing the battery
Option 3
Using Samsung's model/serial number location tool

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