How to Install Android 4.0.3 ICS XXLPN Official on Galaxy S2 I9100G

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Android 4.0.3 ICS build XXLPN for Samsung Galaxy S II I9100G was one of the first one firmwares to leak online. It is an official software update released over Samsung KIES for Galaxy S2 users in France (Europe). Not sure if I9100G users will be getting the Android 4.1 Jelly Bean update, but can always try out custom ROMs.

In this tutorial we will guide you through the process of how to install the official software update Android 4.0.3 XXLPN ICS on Galaxy S2 I9100G using ODIN. We have covered all the steps and download files you need in the tutorial below. This firmware will work on any Galaxy S2 I9100G, except Chinese variants. You don’t need to have any custom recovery installed.

Galaxy S2

Disclaimer: All the tools, mods or ROMs mentioned below belong to their respective owners/developers. We (TeamAndroid.com) or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial ;-)

Make sure you have installed all your USB drivers for the Samsung Galaxy S I to connect it with the computer. Download Samsung Galaxy S2 USB drivers! Apart from just the USB drivers, there are a few more things that you need to take care of.

1. You need to enable USB debugging mode. This helps to connect your Android phone with the PC. See here: How to Enable USB Debugging.

2. Your phone battery should be 80-85% charged. If your phone goes off suddenly because of battery, during flashing ROMs or installing mods and updates — your phone might go dead permanently. See here: How to Check Battery Percentage.

3. Backup all your important data that you might need as soon as your flash a new ROM, or make a backup for just in case, you never know when anything might go wrong. See below on how to backup data:

Data can also be backed up using Samsung KIES for their devices, but if you backup data manually, you get more options what top choose from and it is very easy to move data across Android devices from different manufacturers, i.e moving Samsung Galaxy Note backup data to HTC One X.

4. Your phone should be factory unlocked. Additional instructions for locked Android devices will be added in the tutorial for unlocking devices.

NOTE: Remember, I9100 firmwares cannot be flashed over I9100G as it might brick your device.

Now, let’s proceed with the tutorial on the next page and update your phone to the latest Galaxy S2 I9100G 4.0.3 XXLPN ICS firmware.