Galaxy S GT I9000 – Tutorial to Root on Android 4.0.3 Firmware

Sanjana December 24, 2011 0

Folks who have already updated their Galaxy S smartphones with the latest ICS Android 4.0.3 version its time you got Rooting. Yes Samsung Galaxy S users can now root their device by following the simple steps mentioned in this article. It is to be noted that the rooting procedure will only work if you are on Android 4.0.3 firmware so make sure to check the firmware version. You can check your current firmware from the path “Settings > About Phone > Firmware version” where you will discover the version of Android OS as Android 4.0.3 firmware.

galaxy s logo

We wont be responsible for any harm caused to your device during the rooting procedure that is unlikely to happen if you follow the instructions carefully. The rooting procedure is only applicable to Samsung Galaxy S phones that are network unlocked so do not try it in any other devices as it might not be reversible and will harm the device by blocking it.


You ought to backup all the user data present in your phone since chances of data loss or corruption are there. Having a backup can help you to replace the lost data if any damage occurs. Follow the link posted below to backup and restore all your data easily.

Pre Upgrade Instructions for Rooting and Firmware Update

Must Have:

Super user Zip Package

Steps to Root Galaxy S GT I9000 on ICS Android 4.0.3 Firmware:

Step-1: Download Super user Zip Package from the Must Have section to your computer. Connect the smartphone via original USB Cable obtained at purchase time and copy the downloaded zip file to your phone’ SD Card without renaming or modifying it. Make sure not to place the zip file deep inside any folder as it wont be able to get detected.

Step-2: After copying is done, remove the connected USB Cable and power off your phone to enter into Recovery mode.  The Recovery mode can be entered by pressing the Volume Up key + OK button and holding both press Power button simultaneously. If the device boots up in normal mode, try to enter into Recovery mode repeatedly using the correct button combinations.

You can check out the video posted below to know more about on how to enter into Recovery mode.

Step-3: In Recovery mode choose ”Install zip from SD Card” > “Choose zip from SD Card” then select the file named as “RootingPACKAGE_SGS_4.0.3” placed in your phone. After selecting the file wait for 10-15mins to make sure that the Kernel is successfully updated. Do not restart or interrupt during the process of firmware updation or it might make the device unstable.

Step-4: In Recovery mode choose “Wipe data/ Factory reset”  to delete all cache files then select “Wipe Cache partition” and reboot your device by clicking on “Reboot System Now” option. Now choose “++++Go Back++++” then “Reboot system now” option to reboot the phone. As it is the first boot after Kernel installation, rebooting might take up to 15mins so you have to be a little patient.

reboot system now

If the device reboots in Loop manner or stays in “S” Logo for more than 15mins, reinsert the battery then follow the instructions again from the beginning. Thus you can easily root your Samsung Galaxy S on Android 4.0.3 firmware by following the above mentioned steps.

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