UK wireless carrier O2 has confirmed it is starting to roll out Android 4.1 Jelly Bean to Samsung Galaxy S III owners on its network. They have not indicated how long it should take to reach all device owners, but some should start to see it on Friday, October 19th. O2 joins Three in rolling out the Jelly Bean update for Samsung’s flagship device. Vodafone has issued a statement via their forums that Jelly Bean will be deployed to Galaxy S III devices on their network starting on Monday. T-Mobile and Orange have not yet released any information about timing for users on their networks. The update will be available to O2 owners as a WiFi over-the-air update or through Kies.