How to Update Galaxy S3 i9300 to Android 4.4.4 with C-RoM


You can now upgrade your Samsung Galaxy S3 i9300 to the latest Android 4.4.4 KitKat using the very popular C-ROM custom firmware. Based on the latest AOSP, ROM offers all the previous features of C-ROM with the same speed, stability and performance. Follow this guide to update Galaxy S3 i9300 to C-RoM Android 4.4.4.Update Galaxy S3 i9300 to C-RoM


C-RoM Android 4.4.4 custom ROM:

  • Pie
  • Halo
  • App Bar
  • Dark C-RoM
  • Active Display
  • Floating Windows
  • Gesture Anywhere
  • On-The-Go Mode
  • Animation Controls
  • Lockscreen Notifications
  • Implement App Sidebar

Prereqs to update Galaxy S3 i9300 to C-RoM 4.4.4:

  • Create a backup of all important data in your Galaxy device.
  • Download and install USB drivers for Samsung Galaxy S3 in your computer.
  • Enable USB debugging option by pressing Menu > Settings > Applications. Navigate and tap on Developer Options to ensure that USB Debugging is enabled.
  • Make sure that recovery tool like ClockworkMod recovery is installed.
  • Ensure that your Samsung Galaxy S3 i9300 carries more than 80% of charge. 

Update Galaxy S3 i9300 to C-RoM Android 4.4.4

Files required: download the C-ROM Android 4.4.4 custom firmware from here;  also download the Google Apps. Save both files on PC.

Here are the steps to update Galaxy S3 i9300 to C-RoM custom firmware:

  • Connect your Samsung Galaxy S3 i9300 to your computer using USB cable and copy the downloaded files to the SD card of your Galaxy device.
  • Disconnect the connection with PC and turn your Galaxy S3 off.
  • Boot in to custom recovery mode: press and hold Volume Up, Down and the Power buttons simultaneously until Samsung logo shows up. Leave the keys for half a second and hold again. Use Volume keys to scroll and Power button to select - alternatively you can use Quick Boot app to reboot your Android device in recovery mode.
  • Now perform Nandroid backup of your current ROM: select Backup and Restore Backup. Go back to main recovery menu after backup process is done - very important step to restore back to current OS.
  • Data wiping tasks: select wipe data/factory reset Yes. It will take a few minutes; once done, select wipe cache partition. Next tap on Advance wipe Dalvik Cache to wipe Dalvik cache data too.
  • Select install zip from sdcard followed by choose zip from sdcard. Locate the Android 4.4.4 KitKat based C-ROM custom ROM file copied earlier and select it. Tap on yes to confirm installation and wait for the ROM installation to be completed.
  • Once installation process is finished successfully, repeat the above step but choose GApps file instead to install the Google apps package on your SGS3 i9300.
  • Return to main recovery menu now and select reboot system now to boot up into the latest C-ROM 4.4.4 custom firmware for Samsung Galaxy S3. It will take a bit of time during the first boot, so kindly be patient.
  • Ta da! This was how to update Galaxy S3 i9300 to C-ROM Android 4.4.2 KitKat.

How to restore: If you want to return to previous OS on your SGS3, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.