The Android 4.0.4 update for the Google Nexus S on Sprint has been expected for some time now and it turns out that the update has been released for Google device today and has started rolling out right now.
The update brings a number of new enhancements and improvements you can expect from Ice Cream Sandwich, including Android Beam, and the updated camera interface with panorama mode. The update will be be released in waves, so if you don’t see the update immediately it will eventually make your way to your device so keep your eyes open for the update prompt.
If you own a Google Nexus S and have received the Android 4.0.4 update, share you update experience in the comments section which follows
source - Sprint