Update T-Mobile Galaxy S3 SGH-T999 to Android 4.2.2 AOKP Build 4 Jelly Bean Custom Firmware.


Today we will tell you How to Update T-Mobile Galaxy S3 SGH-T999 to Android 4.2.2 AOKP Build 4 Jelly Bean Custom Firmware.If you have installed custom Rom’s before then it will be no difficult for you. This Guide is only for Galaxy S3 SGH-T999. If you are installing it first time please read the instructions carefully.




Important Things:

  • This tutorial is only for Galaxy S3 SGH- T999 , don’t try it on other devices.
  • Make back up of your phone data.
  •  This is a custom third-party ROM.
  • Install ClockworkMod Recovery on your device.

HOW TO Install Android 4.2.2 AOKP Build 4 Jelly Bean on Samsung T-Mobile Galaxy S3 SGH-T999.

  1. Download AOKP Android 4.2.2 Build 4 ROM and Google Apps for Galaxy S3 to your computer.
  2. Connect Your Device to your computer and copy the above downloaded file to your Device. Needdrivers here is the Link
  3. Turn Off your device and disconnect it from PC.
  4. Now to get in the Recovery Mode. Switch ON the phone while pressing and holding Volume Up + Home + Power buttons together.
  5. In,  Clockwork Mode Recovery perform full data wipe, then Scroll down to ‘Flash zip from sd card’ and press the power button to select it.
  6. Now use your volume keys to highlight the Android 4.2.2 ROM zip file and select it using power button,confirm the installation on next screen.
  7.  After the installation is complete go back and select ‘Reboot system now’, the phone will boot now and it will take almost 5-minutes to run it for the first time, So Please be Patient.

NOTE: Repeat Step 6 TO Install Google Apps on your device.


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Hassan Raza is a freelance blogger who is passionate about writing. He frequently writes on SEO, Technology and social media related topics. His favorite site is Crackerpie, which he also happens to work for. He is a social media addict and can be actively found on twitter.

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2 Responses to “Update T-Mobile Galaxy S3 SGH-T999 to Android 4.2.2 AOKP Build 4 Jelly Bean Custom Firmware.”

  1. r32chaos says:

    Why does it refer to Galaxy S II in the instructions and the article is listed as a ROM for Galaxy S3, which one is it?

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