Monday, August 27, 2012

Download and install - Manual Update T-Mobile Galaxy S3 T999 with Jellybean 4.1.1 OTA Firmware

Procedure to Update T-Mobile Galaxy S III T999 with Jellybean 4.1.1 Firmware Version:
  • First up download Jellybean 4.1.1 Firmware Package from here to your computer. Once downloaded, connect your device to the computer with the help of original USB cable and then place the downloaded zip file in your device. Ensure that you are not placing the zip file deep into the sub folders.
  • Disconnect the T-Mobile Galaxy S III T999 from the computer and turn off your device so that it can be entered in the recovery mode. You can also enter into the recovery mode with the help of the ROM Manager app by selecting the option called “Reboot into Recovery Mode”.
  • T-Mobile Galaxy S III T999 can be entered in the recovery mode pressing and holding the Volume Up + Volume Down and then press the Power button to enter the device in the recovery mode. In recovery mode, you need to select “install zip from sd card” > “choose zip from sd card” to select the Jellybean 4.1.1 firmware package.
  • Once the zip file is selected, it will take around 4 -5 minutes for applying this update. Once the update is applied successfully, it will be rebooted. The whole process of device update will take around 4 – 5 minutes. Also, for the first reboot of the device, it will take some time as whole system files will have to be setup.
Note: If the device gets into the boot loop sequence or say gets stuck in the welcome screen, just re insert the battery and re follow the above instructions so as to again follow the above mentioned instructions.
Do share with us in the comments section just in case if you face any issues as we will try our level best to sort out the same. Congratulations, you have now successfully applied the update of Jellybean 4.1.1 firmware in your T-Mobile Galaxy S III T999.

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