Recently we reported about the Google release of source code for Latest Android 4.0 Ice Cream Sandwich operating system. As a result of which, developers community has already released unofficial custom ROMs of Android ICS for Nexus S as well as ROMs for Galaxy S , Galaxy S II and HTC HD2 devices.
Now Google has released official Android Ice Cream Sandwich update for nexus S handset. Update will be pushed to the Nexus S users through OTA but you can upgrade your device now manually by downloading the OS files and follow a few steps.
Grab the OTA package here http://android.clients.google.com/pa…o/VQ8PQk_V.zip
Update 4.0.3 from the google servers (128mb download)
Rename it to update.zip.
This isn’t needed for the Nexus S bootloader, but it makes things easy, if that’s how you prefer them.
Copy it over to the internal storage on your Nexus S.
Power off, then hold volume up and power to reboot to the bootloader.
Using the volume key to navigate, select recovery, then use the power button to confirm
When you see the warning triangle and arrow, hold the power button and tap volume up. You’ll see a menu.
From the menu, select “apply update from /sdcard”, and choose update.zip from the list.
Let it do its thing and update your system, radio, and other partitions. When finished, choose “reboot system now”
If you don’t understand the above instructions then checkout the below mentioned video for better understanding.
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