Samsung Nexus S i9020A is finally the most up to date smart-phone in the Android line and, by the way, totally official. Those who are lucky to have this Google phone now are twice as lucky to have a perfect phone with the Android OS on it and the latest Android OS itself. New features, better communication, better everything and anything. So, here is a little instruction for you to make the update process save and successful. So, for getting the latest Android 2.3.4 you?ll have to: Grab the OTA package Rename it to update.zip. This isn't needed for the Nexus S bootloader, but it makes things easy. 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" Enjoy!