There is a Root for every Update. An all new update of ICS Android 4.0.4 had arrived for Galaxy Nexus CDMA version and now comes the root. This rooting procedure is only applicable for those Galaxy Nexus users who have already updated the ICS Android 4.0.4 version in their smartphone. This rooting procedure supports the super user zip package that has the capability to root your device within seconds. It is to be noted that rooting will void the warranty and the only way to reclaim back the lost warranty is by re-applying the default or stock firmware in your phone.
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 not recommended for basic users but is for advanced users and is only applicable for Galaxy Nexus smartphones that are network unlocked. Do not apply it in any other models or in any other device as it might not be reversible and may 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 replace the lost data if any damage occurs. Follow the link posted below to backup and restore all your data easily.
Steps to Root Samsung Galaxy Nexus on Android 4.0.4 Firmware:
Step-1: Download Super user Package followed by Clock Work Mod Recovery from the Must Have section to your computer. Enable USB Debugging Mode in your phone from the path “Settings > Applications > Development > USB debugging”. Make sure to tick the option of USB Debugging.
Step-2: Launch the terminal window or command prompt in your computer and enter the commands mentioned below sequentially one by one. You have to wait for a minimum of 5seconds after entering each command for the commands to process.
adb reboot bootloader
fastboot flash recovery recovery-clockwork-188.8.131.52-toro.img
Step-3: After the above commands get processed, scroll down with the help of Volume buttons and choose “Recovery Mode” then press “Power Button” to select it. Now the device will boot in Clock Work Mod recovery. In Recovery mode select the option of “install zip from SD Card” then choose “su.zip” file by the help of Volume rocker keys and press the Power button.
Step-4: After the Super user is successfully flashed, select the options of “++++ Go Back ++++” > “Reboot system now” to restart the phone after which the device will get rooted successfully.
Thus you can easily root your Galaxy Nexus smartphone by following the steps mentioned above carefully.