Update Galaxy S3 T999 to JB UVDLH3 Android 4.1.1 Official Firmware

A leaked official firmware update T999UVDLH3 Android 4.1.1 Jelly Bean now available for T-Mobile Galaxy S3 T999. The update help T-Mobile subscriber to upgrade their Galaxy S3 T999 from Android 4.0.4 ICS to Android 4.1.1 Jelly Bean. To apply this update you device must run on T999UVALH2 firmware. Download link of T999UVALH2 firmware with guide –> Update Galaxy S3 T999 to ICS UVALH2 Android 4.0.4 Official Firmware.

Samsung Galaxy S3 is an awesome smartphone that powered by Quad-core 1.4 GHz Cortex-A9 processor, feature 1GB of RAM and is available with built-in 16/32/64 GB storage option. With 4.8-inches Super AMOLED capacitive touchscreen Galaxy S3 is a cool smartphone to have.

T-Mobile-Galaxy-S3-T999

Compatibility

This ROM and the guide below are compatible only and only with T-Mobile Galaxy S3 T999 variant. It’s not compatible with other Galaxy S3 variants or with any other device. Check your device’s model number in: Settings » About phone.

In this article we will guide you to install T999UVDLH3 official firmware update in Galaxy S3, model number T999. For this, we will use a tool called ODIN that will help us to flash the stock 4.1.1 firmware in Galaxy S3 T999. However, in this process you will lose all your existing installed apps and personal settings. You should follow this guide carefully to properly backup your data that you can restore later.

Android 4.0.4 UVDLH3 Firmware Details:

PDA: T999UVDLH3
CSC: T999TMBDLH4
Modem: T999UVLH3
Version: 4.1.1
Date: 2012-08-23
Regions:

Warning!

We should not be held liable for any damage caused in the process of installing this official firmware update on Galaxy S3 T999 variant. Although, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.

Pre Requisites:

Backup your data first using below mentioned instructions, so that if you lost any data you can recover it easily.

SMS & Call LogUse SMS, MMS & Call Log Entries Backup & Restore App
Contacts & SettingsUse Android default backup options.
Images, Songs, Videos, Files – Copy to Internal/External SD card.
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names

Important!

  1. Make sure your device have at least 80% battery power. [How to Check Battery Percentage in Android Device]
  2. You already have USB Driver Installed for Galaxy S3 in your PC. If not then you should download and install Kies.
  3. Make sure USB Debugging is enabled. [Guide]

If you follow everything that we mentioned above, you are ready to move into next stage of this guide where we summed up detail instruction on how to flash Jelly Bean UVDLH3 Android 4.1.1 official firmware update for Galaxy S3 T999.

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  • nor-cal74

    i downloaded the update file, extracted, and no tar,pda ect… downloaded as a regular zip file. please help.

    • arafat21

      Hi, sorry to say earlier we miss type the guide and now we readjust it. You required to flash downloaded zip file via recovery. We put a guide there, just revisit the tutorial page. Thanks for your comment, it really help us.