How to install ics 4.0 on android

Here are the steps from which u can install ice 4.0 on ur android device.
Steps:
1. Download 4.0 ICS (ICS Aura v1) for your model to your computer.
2. Now Connect your mobile.
3. Now copy/paste the ICS Aura v1 zip file to your SD card.
Note: Make sure the file is in the root (not in any folders).
4. Then switch off your phone.
5. Now for the recovery mode.
Turn on the phone while pressing and holding the volume up, home and power buttons.
6. You will get an exclamation mark(!) now.
7. Again hold your volume up and power buttons. You will be now in recovery mode.
8. Select update from SD card.
9. Now select ICS Aura v1 zip file and select it with the Power button. Installation should start now.
10. After the installation completes, the phone will boot now and it might take about 5 minutes to boot on your first time. So, please wait...
If u hv problem u can ask.........