Tips & Tutorials

Update Galaxy S2 I9100G to ZCLPG Android 4.0.3 China ICS Official Firmware

Samsung Galaxy S II I9100G has received the latest ZCLPG Android 4.0.3 firmware in China. This is the latest build launched in August 2012. You can install this firmware ZCLPG Android 4.0.3 ICS on any Galaxy S2 I9100G (China variant) phone.

In this tutorial we will guide you through the process of how to install the official software update Android 4.0.3 ZCLPG 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 only on Galaxy S2 I9100G (Chinese variants). Do not try installing on the International I900G.

Galaxy S2

Disclaimer: All the tools, mods or ROMs mentioned below belong to their respective owners/developers. We ( 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 😉

Android 4.0.3 ZCLPG Firmware Details:

Version: 4.0.3
Date: 2012-08-03

Make sure you have installed all your USB drivers for the Samsung Galaxy S II 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.

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