Upgrade/Update Nexus S i9023 to Android 2.3.3 - Android App Development

The Nexus S i9023 owners may also want to keep their smartphones up-to-date. So we thought of giving you a tutorial of how to upgrade Nexus S i9023 to Android 2.3.3.
But prior to telling you how to install Android 2.3.3 on Nexus S i9023, let’s see what do you want in order to be able to perform the installation. You will have to download 2.3.3 Nexus S i9023 port. You will also have to root your Nexus S i9023 to prepare it for Android 2.3.3 upgrade. Discover how to root Nexus S i9023 and install Android 2.3.3 from here.
Here are the download links of the files you want to update Nexus S i9023 to Android 2.3.3
Just before beginning to upgrade your Nexus S i9023 to Android 2.3.3 don’t forget to backup your information, as contacts, text messages and the apps installed from Android Marketplace Location who may be lost when the installation finishes.
Now let’s see how to update Nexus S i9023 to Android 2.3.3 :

1. Install the ROM Manager on your Nexus S i9023. Get it from Android Marketplace Location, then install the clockwork mod recovery.

2. Connect your Nexus S i9023 to your PC employing the USB information cable. Copy the “Nexus S i9023_2.3.3.zip” file you downloaded to the SD memory card.

3. Restart your device in the recovery mode using ROM Manager. As soon as in Recovery Mode, go to ROM Manager and select backup / restore to back-up your information.

4. From the Recovery Menu do a total data erase (including Delvik Cache). When completed, go back to Recovery Principal Menu and choose Flash ROM from SD Card. Navigate the location you copied the ”Nexus S i9023_2.3.3.zip” file and follow the directions for installing Android 2.3.3 on your Nexus S i9023. As soon as the installation is over, just reboot your Nexus S i9023 device and here you go, you’ve just upgraded it to the new Android 2.3.3