Update T-Mobile Galaxy S3 T999 to Android 4.4.4 Kitkat firmware using C-ROM – Guide

C-ROM is now available for T-Mobile Galaxy S3 T999 and can be used to update T-Mobile Galaxy S3 T999 to Android 4.4.4 Kitkat firmware. To install this ROM on your device you need to have installed Custom Recovery and of course Rooted device. So make sure your device is rooted before you proceed.

Update T-Mobile Galaxy S3 T999 to Android 4.4.4

C-ROM is based on Android 4.4.4 Kitkat firmware and is built from the AOSP sources. It packs some amazing customization options and is stable, smooth and fast. Check more features of this ROM below.

  • Moved Halo Icon back to on Statusbar ( Not sure if it works good on HDPI devices).
  • Launch the msim settings when the new card dialog appears
  • Disable keyguard widget frame
  • Don’t hide baseband on dual sim devices
  • Port BatteryBar
  • Frameworks: Fix linked volume does not persist after reboot.
  • Change notification background from holo to kitkat grey
  • Fix possible ANR and navigation bar freeze
  • Frameworks: do not kill favorite recent apps
  • Frameworks: fix possible NPE + and missing expandable panel correction
  • Fixed Recent Clear Butons colors
  • Don’t register methods when there’s nothing to register.
  • Get rid of noise during boot.
  • InCallUI: Fix potential NPE
  • Launcher3: Icon pack support
  • OmniSwitch: added icon pack support

How to Install Android 4.4.4 KitKat custom rom on Samsung Galaxy S3 T999:

1. Connect your Samsung device with PC using standard USB cable and then copy downloaded files to the SD card.

2. Disconnect the device and then turn it off.

3. Boot into recovery mode (Volume up + Home + Power button together) and create backup of your current rom.

4.  Perform factory reset.

5. Now its time to flash zip files on your device. Tap on install, then browse to the location where you saved the files and tap on the rom zip file. Then tap on Add more zips and add Google apps package.

6. Now at the bottom of the screen, do a swipe on the Swipe to confirm flash option to begin flashing process.

7. When installation completed, go back to recovery main menu and choose “Reboot” to start enjoying Android 4.4.4 KitKat on your smartphone.