Before you could really know how to install android 4.0 ice cream sandwich on htc desire s, you need to be familiar with the requirements and right way of doing it .

Ensure that you have already rooted your htc desire s handset with S-OFF, also have the recovery installed , usually ClockworkMod, before you ask yourself how to install android 4.0 ice cream sandwich on htc desire s .

What really matters is answering the query of how to install android 4.0 ice cream sandwich on htc desire s when everything has been set in accordance with the right guide of installing android version which is the latest one.

Make sure that the battery of your handset is fully charged and you take the backup of the files.First you need to download the latest ROM , Primo-S 3.0,  to be used for htc desire s. This normally is available for download as a zip file.

Before answering the query how to install android 4.0 ice cream sandwich on htc desire s , all you have to do is to reboot the phone in the recovery mode. This is normally done by copying the zip folder of ROM in the root directory of your phone’s memory card.

Keep the Volume down key and Power key pressed simultaneously for a while to get in the recovery mode.  If you find the phone stuck with a warning sign on the screen , ensure that you press the volume up and power button together. This is part of the instructions that tell you why and how to install android 4.0 ice cream sandwich on htc desire s .

In the recovery mode , its always better to have the backup of the existing ROM before actually installing the new ROM. This would be helpful at times you accidently screw up your phone during the installation process and while trying to know how to install android 4.0 ice cream sandwich on htc desire s.

After that go back to the recovery menu , where you find the option of Factory reset or Wipe Data. Follow the instructions until you confirm data wipe, after which you need to install the new ROM you downloaded just now. The installation is going to take around five to ten minutes.

After the installatoi reboot the system in the new Android 4.0 version , called as Ice Cream Sandwich because you are not going to be asking yourself anymore how to install android 4.0 ice cream sandwich on htc desire s .