Galaxy Nexus S – Steps to Install Android 4.0.3 ICS Firmware

Sanjana December 20, 2011 0

Galaxy Nexus S users seem to have got the perfect Xmas gift as they can now update their smartphone with the recent nexus s logoreleased Ice Cream Sandwich firmware that is the Android 4.0.3 version. The update can be applied manually and is latest in the record of Android with Nexus S being the first handset to get a flavor of this firmware. The update is ideal for the GSM version of Nexus S and works for both I9023T and I9020 Models.

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


You must backup all the user data present in your phone since chances of data loss or corruption are there. Having a backup can help you 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:

Nexus S ICS Android 4.0.3 Firmware Package

Steps to Update Galaxy Nexus S with Android 4.0.3 ICS Firmware:

Step-1: Enable USB Debugging from the path “Settings > Applications > Development > USB debugging”.

enable usb debugging

Download Nexus S ICS Android 4.0.3 Firmware Package from the Must Have section to your computer and place it in your desktop to avail easy accessibility. Connect your phone to computer via original USB Cable that you got at purchase time and copy the downloaded zip file to your phone’s SD Card without modifying or renaming them.

Step-2: Disconnect the USB Cable and rename the positioned file to “”. Power off the phone to enter into Boot loader mode by pressing the Volume Up key and Power button simultaneously to again turn on the phone.

Step-3: In Boot loader / Recovery mode chose the option of “apply update from SD card” then choose the file that you have placed and renamed in your phone. After selecting the file it will take 10-15mins to complete the process of firmware updation. After the update is completely applied, the device will reboot indicating the update has been successfully applied.

Step-4: To confirm whether the firmware has been successfully updated or not, navigate to the path “Applications > Settings > About Phone” where you will discover the firmware version as ICS Android 4.0.3. If you find any other firmware version then you have to apply the updation again from the beginning.

Thus by following the  simple steps mentioned above you can easily update your Galaxy Nexus S with Android 4.0.3 ICS Firmware

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