Android 4.0 Ice Cream Sandwich firmware upgrade is already under heavy deployment to Xperia arc S, Xperia neo V and Xperia ray phones in the Northern European countries, while the rest of the world still awaits it.
In a response to an email sent by a customer (XDA forum member ozzygang) to Sony Xperia UK support center who was asking about Ice Cream Sandwich rollout date, Sony employee told him that is due for late May or early June, and in a way he confirmed the 4 to 6 weeks timeframe announced earlier by Sony Mobile.
Thank you for contacting the Sony Xperia support centre regarding updates.
With regards to your enquiry, the update for Android 4.0 Ice Cream Sandwich is due for the Sony Ericsson Xperia Arc S in late May/early June.
We hope this information helps.
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