There are several cool ROMs and features out there in the Android world for the Galaxy S3, but unfortunately you’re going to have to do two things before the ROMs are within your reach, Root your Galaxy S3 and install a custom recovery. If you’re on your way to installing a ROM on your Galaxy S3 I9300, then here’s a simple step-by-step guide to get rooting your Galaxy S3 before you do anything else.
Brief Overview
The process itself is just a matter of seconds. To get root access on your Galaxy S3 I9300, you’ll be installing the CF-root file listed in the downloads section on your device via ODIN Utility – Odin is a software used to flash stock firmware files and files like this one on Samsung devices by connecting the device with the computer. Right now, we don’t need to go into any more detail as you’ll get the actual step description during the guide.
Things to Keep in Mind
- By rooting your galaxy S3, you will void your device’s warranty
- Ensure that you’re using the I9300 variant of Galaxy S3, flashing the root file on any other device might brick it.
- If your Galaxy S3 I9300 comes to life or explodes on your face after the procedure, we will not be held liable.
Preparatory Steps
- Ensure that you have the Original USB cable that came with your Samsung Galaxy S3
- Make sure you have at least 60% battery charge to avoid your phone shutting down during the flashing process.
- Since there’s no guarantee as to whether the data on your phone remains intact, we recommend that you backup your Contacts, Call logs, Messages, APN settings, App data, and Google Account data.
- After you’ve made all the preparations to root your Galaxy S3, you can proceed to the following downloads section.
Downloads
- Download and Install Odin on your computer.
- Download the Chainfire Root Zip file to your Desktop but don’t unzip it.
Steps to Root your Samsung Galaxy S3 I9300
- After you’ve downloaded the Root zip file and installed Odin on your computer – Launch Odin
- Now boot your Galaxy S3 I9300 into download mode by first turning it off, and then on again by pressing Volume Down + Home button + Power Button. You will them see a warning screen asking whether to proceed or not – press Volume Up
- Now that you’re in Download mode (Downloading…. Text should appear on your screen) connect your galaxy S3 to the computer and the COM section is Odin should turn blue with some numbers present. In addition to this, you should see an Added!! Message at the bottom left section of Odin
- Now click on PDA on Odin and browse to the desktop where you put the root zip file. Select the CF-root zip file.
- Now make sure that you have F. Reset and Auto-Reboot tick marked. DO NOT tick mark anything else, or you might cry after this.
- After you’ve double checked everything, click the Start Button to begin the flashing procedure.
- Now you’re S3 should start getting rooted – a pirate construction robot should appear in red on your phone’s screen. After everything has stopped, there should be a confirmation written at the bottom of your phone’s screen – something like: Installation completed!!!
You’re Galaxy S3 should now reboot automatically in a rooted state. To check wether you’re phone is actually rooted or not, head over to the software update option and check for updates. You should get message saying you can’t because there’s some kind of modifications involved. Congratulations! You have the first step to getting a ROM completed.
