How To Update Samsung Galaxy S2 To Android 4.0.1 Custom ROM

 Samfirmware released custom ICS(4.0.1) Rom For Samsung Galaxy S2. Let's begin simple steps to install 4.0.1 Ice Cream Sandwich In Samsung Galaxy S2.
How to Install/Update Samsung Galaxy S2 to Android 4.0.1 Custom ROM.
First of all you need to have following stuffs on hand
1.Samsung Kies
2.  Android 4.0.1 ROM Package.
3.Odin V1.85


Step I:
 Download Ice Cream Sandwich Custom ROM Package, extract it. The password for extracting that compressed file is samfirmware.com. After extracting the zip file, you will get 4 different files with same extension i.e. “.md5″.

Step II:

1. Make sure you had already installed Samsung Kies . Now open the Odin v1.85.exe.

2. Restart your Android device using the following key combination:

Volume Down + Home Key + Power button

It will bring your phone into download mode; now click the volume up button to continue in download mode.

Connect your Samsung Galaxy S II with PC via USB cable. Please wait until the driver installation gets complete. After the completion of driver installation, You will see that the “COM Port Number” in the COM ID: column of Odin is now set. Please make sure that nothing is checked, except the “Auto reboot” and “F. Reset Time”check boxes.


Step III:

1. Now Click on second button “Bootloader”  of Odin utility and select the

“I9100_APBOOT_I9100XXKP1_CL16459_REV02_eng_mid_ship.tar.md5” file.

2. Next, Click on “PDA” and select the

“I9100_CODE_I9100XXKP1_CL16459_REV02_eng_mid_ship.tar.md5” file.

3. Next, Click on “PHONE” and select the

“MODEM_I9100XXKP1_REV_02_CL1085642.tar.md5” file.
Now click on the “Start” button and wait until the process gets completed. Your phone will be automatically rebooted after the process gets completed. Detach your phone from PC. Close Odin!!

Step IV:

On the completion of above step, your phone will be restarted and will come to “Bluish screen”, feels like command prompt. You have to choose the “reboot system” and click “home key” button. You phone will restart again.

Step V:

Forcefully switch off your phone by long pressing the power button. Now again restart your phone in the download mode using the following key combination

Volume Down + Home Key + Power Button

Continue in the download by clicking the volume up button. Attach your phone with PC again and this time,

Click ONLY on “PDA” button and select the

“I9100_KERNEL_I9100XXKP1_CL16459_REV02_eng_mid_ship.tar.md5” file.

Make sure you chosen only PDA option, click on “start” button. This process with take only few seconds and your phone will reboot again.

Now you got a screen mentioning “Android is upgrading”.It takes quite longer time. Then follow the phone setup wizard and enjoy the whole new Android experience.