Sony Ericsson have made an alpha ROM of Ice Cream Sandwich available to download !

The ROM is available to download on the Xperia Arc S, Xperia Neo V and Xperia Ray smartphones. However, those already excited about downloading the update should hold-fire.

The Ice Cream Sandwich Alpha ROM is only meant for use by advanced developers because it lacks a number of important functions. You won't be able to make calls, use WiFi , Bluetooth or any Google services.

The Alpha release is aimed at developers to give them an idea of how the operating system is working and what stage of development Sony Ericsson is at.

Those interested in downloading and installing the Alpha ROM can read more about it here.

The video above shows Ice Cream Sandwich running on the Xperia Arc S and showcases the following new features :

• New “Roboto” font.
• New “Holo” theme is supported (you are able to test apps written to make use of the Holo theme).
• Music player control from lock screen.
• Updated UI in the Settings menu.
• Updated UI in the web browser.
• Updated UI and interaction with the new messaging action bar.
• Updated UI for improved multitasking.
• Swipe to dismiss notifications, tasks and browser tabs in the Notification menu.

Once we get any more news about Ice Cream Sandwich we'll let you know !