United States users of T-Mobile Galaxy S3 SGH-T999 will now early receives it Android 4.1.1 Jelly Bean update. Looks like T-Mo has done a very nice job here and now they are one step ahead from AT&T, Sprint, Verizon and US cellular. The official Android 4.1.1 Jelly Bean build number is JRO03L.UVDLJA or T999UVDLJA as a new baseband build or modem version.
Features of T999UVDLJA Android 4.1.1 Jelly Bean (T-Mobile SGH-T999)
Some new features are not new to us, since we already found it from international version of Galaxy S3 Jelly bean releases, like the Google Now works, the settings menu has re-organized. Notification bar is added, a Pop-up plays sizable screen and the two enhanced screen modes. We are not yet sure about the battery performance since its still fresh. Just observe it for a couple days of use, then see if its surely improves.
T999UVDLJA Android 4.1.1 Jelly Bean Build info
Device: Samsung Galaxy S III SGH-T999
Country: United States of America
Build number: JRO03L.UVDLJA
Android Version: Android 4.1.1 aka Jelly Bean
Build Date: 2012-10-20
This update is made available via Samsung Kies or via OTA update. So, just check it out and get your Galaxy S3, fully updated to Android Jelly Bean tweaks.
For advance users with rooted and custom ROM installed will not let your devices receives the official update. So, grab the stock ROM and manually flash it thru Odin. Install T999UVDLJA_T999TMBDLJA