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Update the Samsung Galaxy Gio by Installing the Cyanogen Mod 9 ICS Android 4.0 Firmware

The Samsung Galaxy Gio users can now enjoy the Ice Cream Sandwich experience on their own handsets by learning how to install the Cyanogen Mod 9 custom ROM. As you will see during the following lines, I have detailed a few steps that will take you through the whole procedure, so take a look and see if you can handle it.

This update operation is similar with other Android 4.0 firmware installations guides explained here on Android.gs (though each process can be applied only on the device mentioned by us), therefore you have nothing to worry about; you are in good hands. Make sure you read all my directions in order to avoid the unpleasant situations.

The release of the present OS upgrade isn’t coming straight from Samsung and it’s not an official firmware launched for Gio’s users; furthermore there are no words on when it will be made available. Anyway, fortunately for you, the Cyanogen Mod 9 will offer the possibility of installing the Ice Cream Sandwich on your device without any others restrictions.

To make it clear, CyanogenMod is a firmware that is designed in order to bring capabilities not found in the official Android platform and, as you know it isn’t pre-installed in your Samsung Galaxy Gio S5660 system. So you must get it by yourselves. More, the software is a free aftermarket distribution of Android 2.3 Gingerbread operating system, meaning that it can be flashedwithout having any particular Google apps, being based on the Android Open Source Project. In our case, CM 9 will install the Android version 4.0, so goodbye Gingerbread.

You will have to use the Nightly build of Cyanogen Mod, as it is the only variant that works on the Gio. Beside the ICS firmware, there will be added extra features and capabilities in your phone internal system. You can discover some of them in the list form the following image:

As a final note, remember that this update will work only for the Samsung Galaxy Gio S5660. Furthermore, I recommend you not to apply the upgrade if you possess a network locked device because the warranty will be void; if something goes wrong, you will be on your own.

Now, before we start detailing the proper how to guide, you have to do some preparations. First you will need a PC and the phone’s USB cord. Then, prepare the phone and the computer as showed below:

  • It will be a good idea to  backup the Galaxy Gio data, along with the contacts, messages, or what else you might consider as there are big chances  to lose them. For a safe backup, I recommend you to use some apps from Google Play (like the SMS Backup + , the android cloud, the Astro File Manager) or to follow our previous guides. Also, you can use the PC or the SD card in order to temporary save the data.
  • Then, the phone must have enough battery power left in order to stay “alive” during the installation process. Make sure there is more than 60% (70%) power left, or charge your phone before starting the tutorial.
  • Uninstall, or disable the security tools located on the computer and on the handset; these programs usual interrupt the update. In the end you can re-activate them.
  • You can install Cyanogen Mod 9 ICS Android 4.0 Firmware only on a rooted Galaxy Gio, so if not, go and root it and then return here.
  • Enable the USB debugging in your phone. If you don’t know how, just go to “Settings -> Applications -> Development -> USB debugging”. You can enable the USB debugging only when the device is disconnected from the computer.

Now I can start showing you how to update the Samsung Galaxy Gio by installing the Cyanogen Mod 9 ICS Android 4.0 Firmware. Read carefully and do all as explained and detailed in the steps. We will discuss the problems in the comments area.

  1. The first thing to do is to download the ICS 4.0 Nightly Package from here, to your computer (again make sure you get the Nightly variant because it’s the only one that works on the Gio).
  2. Connect the phone with the PC by using the USB cord.
  3. Copy the file downloaded in the first step, from the computer to the phone.
  4. Disconnect the device from the PC by removing the USB cable.
  5. Turn off the phone.
  6. Reboot it in recovery mode. You can enter in recovery mode by pressing (at the same time) the “Center” and the “Power” button.
  7. In the menu that opens, select “install zip from sd card” and “choose zip from sd card”; the file should be just there, just pick it.
  8. In the end, once the process finishes, the recovery mode will appear again. Now select “+++go back+++” followed by “reboot system now”.
  9. That’s it; the Android 4.0 is now installed on your Samsung Galaxy Gio smartphone.

If somehow, something wasn’t working, or if you have questions, feel free and contact us (in the comments area) so we can help you through.

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