Posted June 27, 2012 by Sarabjeet Singh in Android Tips

Install Ubuntu on Samsung Galaxy SIII I9300 with Easy Tutorial

Apple iPhone’s Best rival, and most selling Hi-end Android Based Smartphone, Samsung Galaxy SIII I9300, which is pushing its market presence with millions of sales records, can now enjoy something different than Android. Thanks to powerful Hardware and Specs of S3, which includes a Powerful Quad Core Processor, along with 1GB RAM, which is enough to enable this smartphone perform good on any OS.  Like many other smartphones, which got blessed with the taste of Popular Linux Flavor, not other than ‘Ubuntu’, and Samsung Galaxy S3 is next one to mark itself among category of smartphones which are able to feel the taste of Ubuntu.

root Samsung Galaxy S3 Install Ubuntu on Samsung Galaxy SIII I9300 with Easy Tutorial

After installing Ubuntu on your Galaxy S3, you are more likely to feel the whole experience of PC. The S3 I9300 can already able to get hooked into the monitor, for bigger display. That means after installation of Ubuntu on your S3, you can see output of the OS right on a bigger screen. So, if you want to enjoy the beauty of Ubuntu, and you’re feeling some bored with regular Android OS, then you came at right place. We’re going to checking out the critical steps to get the Ubuntu Linux OS running right on your phone.

Disclaimer: This tutorial to install Ubuntu on your Samsung Galaxy SIII I9300 neither officially supported nor suggested by Samsung. These are efforts of Genius Developers, who always ready to perform something different on the phones. So, you should only try this procedure if you already aware about precautions. In simple words, this is bit risky process, and you can get bricked your device easily, if anything goes wrong in between the process.  Please note that we don’t offer warranty or liability of any kind, you would be responsible for if the device gets damaged by following this tutorial.


  • Your Samsung Galaxy S3 should be charged minimum 80% before you continue flashing the Ubuntu on your device.
  • We recommend you to Disable Antivirus and Firewall program in your Computer, to eliminate the possibility of any conflict.
  • We suggest to make Backup of all data the Samsung Device:
  • You need to make sure that USB Debugging Mode is Turned On. Navigate to the path ‘Settings>Applications>Development>USB  debugging’.
  • Download and Install Latest Samsung Drivers from  official website. Make sure you have data Cable available and keep it near PC, which is essential to enable connectivity of PC and Phone.
  • ADB Should be Installed in the PC, SD Card should have minimum 3.5GB Free space.
  • Your Phone must have connectivity to the Internet, either 3G or WiFi. Ext2 file system should be supported.
  • First of all you need to Flash any Custom ROM Firmware on your Galaxy S3, means this firmware would not work on Stock Firmware. Your device also needs to be already rooted.

We assume that you have prepared everything based on the guidelines above. In the due course of this article, we’ll checking out steps to guide you through the installation process of Ubuntu on Samsung Galaxy SIII I9300 device.

Instructions to Flash/ Install Ubuntu 12.04 on Samsung Galaxy SIII I9300

Step 1: First of all, you need to download four apps, to achieve the installation on Galaxy S3 Device, these apps are:

Download ans install all of the apps mentioned above on your device.

Step 2: Now you can download any of Ubuntu Package, as per choice from below:

  • Ubuntu 12.04 v4 Core: Basic Ubuntu Install without GUI. Size: 200MB Compressed and 750MB when extracted.
  • Ubuntu 12.04 v4 Small: This is normal installation, which comes about 400MB when downloading size, and it becomes 2GB after extracted. It includes Firefox and LXDE.
  • Ubuntu 12.04 v4 Full: It has a total size of 1.3GB when downloaded, and becomes about 3.5GB after extracted, alongside 1.5GB Free Space.

Step 3: Now Download ubuntu.sh (Boot Strip) to your computer.

Step 4: Now, extract the Ubuntu Package you downloaded in Step 2, and put it in folder ‘Ubuntu’. Move this folder to a folder that should be located in ‘home map’ of the device, called ‘SDCARD’. The SDCARD is internal memory, while external memory is called extSDCARD for your device.

Step 5: Now, simply run ‘terminal’ app in your phone and then type the following:

cd /sdcard/ubuntu
sh ubuntu.sh

Step 6: After running above commands in the terminal, there will be lot of lines appearing on your device’s display. At the end you will notice it is asking for Screen Size, please selecte the appropriate resolution, and select 1280×720 because your Galaxy S3 is a 720p HD Device.

Step 7: The terminal would ask, if you want to save the selected resolution as by-default, you should type ‘Y’ in most cases, which means Yes. This will remember that resolution you selected.

Step 8: Now, terminal is displaying ‘root@localohost:/#’, which means Ubuntu is running on a rooted device, if you haven’t rooted you device, then you might get problem here at this stage. Please ensure to check rooting status, which you can check also with root status app.

In some cases, Terminal might asking you to put in the password 2 times for confirmation. Type the password: ‘ubuntu’ and proceed to Next Step.

Step 9: Now just go back to the Homescreen, and then open VNC Viewer. It actually connect to GUI easily in few steps. On the Interface, you should type Nickname ‘Ubuntu’ or anyone preferred. Password ‘Ubuntu’, IP Address should be yours local host, and port number should be 5900. Without touching anything else, simply click on ‘CONNECT, and that’s it. You are welcomed by Ubuntu Destkop on your Phone.

Samsung Galaxy S3 Ubuntu Install Ubuntu on Samsung Galaxy SIII I9300 with Easy Tutorial

Do share with us your experience about Ubuntu on your Galaxy S3. In case you have faced any problem, kindly follow steps once again and then proceed to XDA Thread, if you still unable to get success on the same.

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Sarabjeet Singh

Real Android Freak and Gadget Lover, loves to try new ROMs on his own and his friend's phones. He is Assistant Editor of TechClap.com, and writes mostly about Android.