How to Install CM9 Final on Galaxy S3 I9300 Android 4.0.4 ICS Custom Firmware

Last updated on
by in Android Tips
     

Samsung Galaxy S3 I9300 users can finally enjoy the AOSP pure Android experience on their devices, thanks to CyanogenMod 9 (CM9). The final version of CM9 has just been released for a number of phones, including the Galaxy S3 I9300. Remember, this is not an official firmware update. This is a custom ROM, based on AOSP release of the Android 4.0 ICS.

As you continue reading below, we will guide you through the entire process of installing CM9 final Android 4.0.4 ICS on Galaxy S3 I9300 using CWM recovery. This is why your phone should have ClockworkMod recovery and it should be rooted. Please make sure you backup your data as given below. let’s continue with the tutorial below.

Samsung Galaxy S III GT-I9300

Disclaimer: All the tools, mods or ROMs mentioned below belong to their respective owners/developers. We (TeamAndroid.com) or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial ;-)

Make sure you have installed all your USB drivers for the Samsung Galaxy S III to connect it with the computer. Download Samsung Galaxy S3 USB drivers! Apart from just the USB drivers, there are a few more things that you need to take care of.

1. You need to enable USB debugging mode. This helps to connect your Android phone with the PC. See here: How to Enable USB Debugging.

2. Your phone battery should be 80-85% charged. If your phone goes off suddenly because of battery, during flashing ROMs or installing mods and updates — your phone might go dead permanently. See here: How to Check Battery Percentage.

3. Backup all your important data that you might need as soon as your flash a new ROM, or make a backup for just in case, you never know when anything might go wrong. See below on how to backup data:

Data can also be backed up using Samsung KIES for their devices, but if you backup data manually, you get more options what top choose from and it is very easy to move data across Android devices from different manufacturers, i.e moving Samsung Galaxy Note backup data to HTC One X.

4. Your phone should be factory unlocked. Additional instructions for locked Android devices will be added in the tutorial for unlocking devices.

Now, let’s proceed with the tutorial on the next page and update Galaxy S3 I9300 to CM9 Android 4.0.4 ICS custom firmware.


  • http://www.teamandroid.com/2012/08/10/install-cm9-final-galaxy-s3-i9300-android-404-ics-custom-firmware/ Fernando

    Where can i find :

    4. Your phone should be factory unlocked. Additional instructions for locked Android devices will be added in the tutorial for unlocking devices.

    ??

  • Jonathan

    sry but i stuck on the boot screen

    • http://www.harisnadeem.com Haris Nadeem

      Do a full data wipe. It should fix then.