If there still are some US users who have been patiently waiting for a legitimate way to upgrade their S II devices, than this news is for you. T-Mobile finally decided to release the official Android Ice Cream Sandwich update for Samsung’s former flagship smartphone.
The update won't be available Over the Air, since Samsung and T-Mobile are asking users to upgrade via Kies software and a computer. So basically, you have to download and install the Kies software onto your computer, then connect your Galaxy S II using a USB cable, after which you simply have to accept the update. Be sure you have latest software available, since Android 2.3.6 is mandatory in order to get successfully upgraded.
The ICS update will restore the homescreen settings to factory default, but you don't need to worry about losing the data on your smartphone. Sure, as a safety measure, you have the option of backing up your data, but you should be ok nevertheless. Fore more info, check out our source link.