Tutorial to Update Australia Galaxy S2 Optus GT I9100 with Official XWLP8 4.0.3 Firmware:
- Download the Official Optus Galaxy S2 XWLP8 Firmware Package and Odin3 v1.83 from here to your computer and once it’s done, you now need to open the Odin in your computer.
- Turn Off your phone so that it can then be entered in the Download mode. The download mode in the device can be entered by pressing Volume down Key, Center button, and holding both simultaneously press the Power Button after which a green robot will be shown indicating the Download Mode has been entered.
- In download mode, connect your Galaxy S2 to the computer with the Original USB cable and then you will see that the ID: COM section will turn Yellow which will mean that all the drivers have been successfully updated.
Note: if the ID : COM section doesn’t turn Yellow, you need to check with two things which are mentioned below,
- Install the USB Drivers in your computer &
- Go to the Path “Settings > Wireless & Network > USB Settings” and ensure that “Samsung KIES” option is ticked before connecting the phone to the computer.
- Click on “PDA” tab in the odin and select the TAR file which you can select from the extracted file folder of firmware and click on “Start” for starting the firmware upgrade process. As soon as the firmware update process gets completed, you will see that the phone will be rebooted and once you see the home screen remove the connected USB cable to turn Off the same.
- Now to get rid of the force close errors in applications, you now need to enter your Galaxy S2 in the recovery mode. Recovery mode can be entered by pressing Volume Up Key, Center button, and holding both simultaneously press the Power Button after which a recovery list will be shown indicating the recovery Mode has been entered.
- In recovery mode, select Wipe data/factory reset and also you need to select Wipe Cache partition and then reboot your device by selecting reboot system now with the help of Volume rocker keys.
Note: At any point of time just in case if the process of firmware update gets stopped due to any reason, all you need to do is restart the process from the start by re inserting the battery.
Congratulations, you have now successfully applied the update of XWLP8 Australia version in your Optus powered Samsung Galaxy S2. Do let us know just in case if you face any issues as we will try our level best to sort out the same.



