How To Update Google Nexus S with Official ICS Android 4.0.3 Firmware

Nexus S LogoIf you are having a Google Nexus S device and wondered when you too will receive an OTA of ice Cream Sandwich Android 4.0 version, in fact the latest Android 4.0.3 version of ICS. This update comes just after reports came in about an update of ICS Android 4.0.2 for Galaxy Nexus. This update for Google Nexus S users is no less than an Xmas Gift or say a New Year Gift. But hey, if you are still wondered on how you can apply this update manually then we will see in the due course of the article on how you can Manually Update Google Nexus S with Ice Cream Sandwich Android 4.0.3 firmware. This update is the latest in the history of Android and Nexus S becomes the first handset to get a taste of this firmware.

This update works perfectly on the GSM version and to sum it up this works for all the users on I9023T as well as on I9020 Models as per different sources.

Disclaimer: Please note that we should not be held responsible in any manner in whole or in parts if any damage is done to your device caused by updating the firmware which is a very unlikely event if you follow the instructions as mentioned in the article including the pre requisites and the procedure to update the phone.

Before proceeding you need to first go through the list of pre Requisites which are mentioned below.

Quick Pre Requisites:

  • Backup all the data present in your phone memory so as to ensure that just in case if any data is lost or corrupted, you can easily restore back the same. With the help of below mentioned tips, you can backup and restore the data.

Notes – Backup in the mail so that you can then restore manually
SMS Messages – Use “SMS Backup & Restore app”,
Contacts Stored in Phone Memory – Sync with the Gmail application,
Call Log - Call Log and Restore
Videos, Images, Videos & Files etc.– Copy to internal / External SD Card,
Internet & MMS Settings – Backup all the settings from “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names

  • Ensure that the USB Debugging is enabled from the path Settings > Applications > Development > USB debugging as shown in the below image. Also if any Antivirus suites are installed in your phone, then remove or disable the same.


  • The phone should be on the Stock Firmware / official Firmware, if it’s on the Rooted or Custom ROM firmware then we can’t guarantee about the phone’s condition after this official update application. Also, phone should be left with the charge of a minimum of 50% so as to ensure that the phone doesn’t get turned Off in the process of firmware update.

Now, let’s proceed to the detailed procedure on how to apply this update in your Galaxy Nexus S which are mentioned in the next page.

About Pradeep Neela

Friends call him Droid Geek because he tries out different ROM’s everyday and helps droid users experience better features on their devices. Add +Neal Pradeep on Google Plus for more Updates.