The GSM version of Samsung Galaxy Nexus smartphone can now be updated with the official ICS android 4.0.4 firmware version.
Please be informed that you need to apply this update, only if your phone is currently running on the ICS 4.0.2 firmware version, otherwise you should not apply this update.
Before you begin:
1.I recommend you to backup all your internal datas present in your phone by using appropriate backup applications. But don’t use KIES to backup your data, as this is a custom ROM firmware it will not support the phone after the update.
2.Along with the SMS, MMS, Contacts, Call logs, Images, Files, Videos you are recommended to note down the APN and MMS Settings by following the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”.
3.So, once you have backed up everything check the battery percentage level of your phone. If it is less than 75% charge them fully, otherwise it will get switched off during the middle of the updating process.
4.Uninstall/Disable all the security firewalls, antivirus tools in your computer so, then it never interrupt the updating process.
5.Finally, enable the USB debugging mode in your Samsung Galaxy Nexus smartphone. Please make a note that you can enable this option only if you disconnect your phone from the computer. Ensure that the USB Debugging option is ticked on your phone.
Disclaimer : Please follow the given below procedure at your own risk. We would not be held responsible for any damage occur to your phone by following the given below instructions.
Procedure to Update Samsung Galaxy Nexus GSM smartphone with official ICS 4.0.4 Firmware:
2.Make sure the “Android SDK” and “fastboot” are installed in your computer.
3.Once you downloaded the ICS and CWM Recovery file in your computer, connect your mobile to the computer using USB cable and place the downloaded file on your phone/SD card.
4.Now, copy the CWM file in the same folder as that of the fastboot in your computer in the SDK Folder (either in/tools or/platform-tools) and then rename the image file as “cwm.img”.
5.After that turn off your phone and allow it to enter into the bootloader mode by holding the Volume Up & Down Button and press the Power button.
6.Now again connect your Samsung Galaxy Nexus to the computer via USB cable and then open the command prompt or terminal in your computer.
7.Go to the folder and select the cwm.img file which you have already placed in your phone/SD card.
8.After that in the command line, enter the command as “fastboot-windows.exe boot cwm.img”.
9.With the help of the CWM recovery menu, you need to flash the zip file which you have placed on your phone/SD card.
10.After that choose the OTA ICS 4.0.4 Zip file which you have placed already on your phone/SD card.
11.Once you have chosen the files, the process will begin and will complete within few minutes.
12.After that your Samsung Galaxy Nexus will get restarted automatically. Now, remove the USB cable from your phone and enjoy the update. That’s it!