Samsung made Android 4.0 Ice Cream Sandwich for T-Mobile’s Samsung Galaxy S II. We also informed you about its update a few weeks ago, now you can download and install it via Samsung Kies. So guys make your handset and PC ready with USB and drivers to install the update and taste it. You are also advised to remove your SIM card and External MicroSD before beginning. Check out the source link for fulll changelog and instructions.
Source: Sasmung