Tips & Tutorials

How to Install ZCLF1 Android 4.0.4 ICS on Galaxy S2 I9100G

Samsung Galaxy S II I9100G is the later version of the Galaxy S II which Samsung released with minor hardware fixes and some improved features. I9100 firmwares cannot be flashed over I9100G as it might brick your device. The firmware we have today for I9100G (China Mobile) is ZCLF1 (Android 4.0.4 ICS) which was released in China.

In this tutorial we will guide you through the process of how to install the official software update Android 4.0.4 ZCLF1 ICS on Galaxy S2 I9100G using ODIN. We have covered all the steps and download files you need in the tutorial below. Let’s proceed with the tutorial now.

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 4.0.4 ZCLF1 Firmware Details:

Date: 2012-07-30

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 China to 4.0.4 ZCLF1 ICS firmware.