Samsung Galaxy Gio S5660 – How to Install CM9 Beta 5 ICS 4.0 Firmware

Sanjana March 22, 2012 0

All thanks to KANG Project team members,

&usg=AFQjCNG0ST7EKVDjFiSoXpbbDDy4Kidtaw”>Samsung Galaxy Gio S5660 smartphone get to taste the recent ICS Android 4.0 firmware. This new update is the Bets 5 version of ICS firmware and comes loaded with a variety of stability features, fixes, operational and non-operational features that we will be checking out in a while.

samsung galaxy gio s5660

This is not the official firmware version released by Samsung Electronics and you need to root your smartphone prior to applying this update that in turn will void the warranty of your smartphone. As it is a beta firmware presence of some minor bugs is guaranteed.

We wont be responsible for any harm caused to your device during the updation procedure that is unlikely to happen if you follow the instructions carefully. The updation procedure is not recommended for basic users but is for advanced users and is only applicable to Samsung Galaxy Gio S5660 smartphones that are network unlocked. Do not apply it in any other device as it might not be reversible and may harm the device by blocking it.

Let’s take a look at some of the operational and change logs that come with this update.


  • Boot
  • GSM (phone/messages/GPRS/EDGE/3G)
  • Wifi
  • Bluetooth
  • Complete HW acceleration
  • Sound
  • Headphones
  • GPS
  • All sensors (proximity, roration etc)
  • CyanogenMod settings
  • Google Play
  • Fixed animations
  • Facebook sync
  • Buttons backlight
  • Gmail fully works
  • Browser fully works
  • ICS keyboard
  • Games
  • YouTube
  • Deep sleep
  • Wifi signal indicator

Change Logs of Beta 4 ICS CM9:

  • Better battery
  • Wifi indicator, BT issues fixed
  • Bluetooth headset, BLN support for all devices
  • Kernel updated
  • Flicker reduced but still exists
  • smooth
  • Working Galaxy ICS app added
  • Updated CM9 sources



must backup all user data present in your phone since chances of data loss or corruption are there. Having a backup will help you to replace the lost

data if any damage occurs. Follow the link posted below to backup and restore all your data easily.

Pre Upgrade Instructions for Rooting and Firmware Update

Must Have:

Download CM 9 Package

Steps to Update ICS Cyanogen Mod 9 ICS 4.0 Firmware in Galaxy Gio:

Step-1: Enable USB Debugging from the path “Settings > Applications > Development > USB Debugging”. Make sure that USB Debugging option is ticked.

enable usb debugging

Step-2: Download CM 9 Package from the Must Have section to your computer. (Download the file named as “Beta 5 for Samsung Galaxy Gio S5660 (18 Mar 2012) ” ). Connect your smartphone to computer via original USB cable and place the downloaded zip file in your phone. Make sure not to place the file deep into any sub-folders.

Step-3: Remove the connected USB Cable and power off your smartphone to enter into Recovery mode. The Recovery mode can be entered by holding the Menu button and Power button simultaneously. In case the device power on in Normal mode re-try to enter into Recovery mode till you are finally there.

Step-4: In Recovery mode select the options of select “install zip from SD Card” > “choose zip from SD Card” then choose the Cyanogen Mod 9 Beta 5 zip file placed in your smartphone. It will take about 5-10 mins to apply this update.

Step-5: After the firmware is successfully updated, the device will rebooted or will land up in Recovery screen again. In Recovery mode screen select the option of “++++ Go Back ++++” > “reboot system now” to reboot the phone. In case your smartphone refuses to display the home screen even after 5 minutes of restart then, pull out the battery and re-insert it again.

reboot system now

In case the process gets interrupted somewhere in the middle then re-apply the entire process again from the beginning. You can now restore the back up taken in the initial steps. Thus you can easily update your Samsung Galaxy Gio S5660 smartphone with the latest Cyanogen Mod 9 ICS Android 4.0 firmware by following the steps mentioned above carefully.

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