Galaxy S – Tutorial to Install ICS RC2 Firmware

Sanjana January 3, 2012 4

In this New Year Samsung Galaxy S users got an all new update. We had previously covered the detail procedure regarding on how to install Android 4.0.3 firmware in Galaxy S that is otherwise known as RC1 release of ICS firmware. Now we will check out an all new release known as RC2. However it is to be noted that this is not an official or Value Pack for Samsung Galaxy S released by Samsung Electronics but is the beta release.

samsung galaxy s gt I9000

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 only applicable to Samsung Galaxy S GT I9000 smartphones that are network unlocked so do not try it in any other devices as it might not be reversible and will harm the device by blocking it.

Lets take a look at some of the operational features available in ICS RC2 firmware.

Operational Features in ICS RC2 Firmware:

  • Android Market
  • Both Internal and External SD Card
  • Calls/Texts/Data works fine
  • Audio/Touch/Wi Fi
  • Contacts and Calendar Sync
  • Camera both Video Recording and Pictures
  • Face Unlock
  • GPS, Bluetooth, Wired tethering and FM Radio


You must backup all the user data present in your phone since chances of data loss or corruption are there. Having a backup can help you replace the lost data if any damage occurs. Do not back up the data via PC Suites as it may or may not detect the device after the update. Follow the link posted below to backup and restore all your data easily.

Pre Upgrade Instructions for Rooting and Firmware Update

Must Have:

Download Android 4.0.3 RC2.1 Package

Steps to Update Galaxy S with ICS RC2 Firmware:

Step-1: Download Android 4.0.3 RC2.1 Package from the Must Have section to your computer. Connect the smartphone via original USB Cable obtained at purchase time and copy the downloaded zip file to your phone’s SD Card without renaming or modifying it. After copying is over, remove the connected USB Cable.

Step-2: Power off your phone to enter into Recovery mode by pressing Volume down key + OK button and holding both press Power button simultaneously. In Recovery mode choose “Wipe data/Factory reset” then “Wipe Cache partition” to clear all cache data present in phone.

You can check out the video posted below to know more on how to enter into Recovery mode.

Step-3: In Recovery mode choose ”Install zip from SD Card” > “Choose zip from SD Card” then select the ICS Android 4.0 Zip file placed in your phone. It will take about 20mins for the whole updation process to complete. After the updation process is complete, you will again land up in Recovery mode. Now choose “++++Go Back++++” then “Reboot system now” option to reboot the phone.

reboot system

If your phone continuously restarts on its own, repeat the whole procedure again from the beginning. If you are facing problems regarding Wi Fi then you ought to install the Kernel fix and apply this Kernel so as to fix the issue. Thus you can easily update your Galaxy S with RC2.1 Android 4.o firmware by following the above mentioned steps.


  1. ziile January 12, 2012 at 4:52 pm - Reply

    Works good! Problems connecting to PC. Drivers do not install correctly.

  2. Sanjana January 13, 2012 at 4:12 am - Reply

    Check with the USB Cable or try re-starting the device.

  3. ziile January 16, 2012 at 12:17 pm - Reply

    i can’t find any problem in onecosmics RC3 :) Great!

  4. ziile January 16, 2012 at 12:17 pm - Reply

    i can’t find any problem in onecosmics RC3 v2 :) Great!

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