US wireless carrier AT&T has revealed in a recent announcement that it is offering a new promotion, under which its Mobile Share Value plan will come with double the amount of data available for the shared data plan of current subscribers.

The promotion announced by AT&T became effective from September 27, and will run till October 31. Customers who sign up for the carrier's Mobile Share Value plan during the mentioned period will double data for high-tier shared plans.

As a result of the promotional offer announced by AT&T for Mobile Share Value plan, customers will essentially get 30GB data for the cost of 15GB, and a whopping 100GB data for the cost of 50GB.

AT&T subscribers who avail of the promotional offer will also get unlimited texting to the US as well as other AT&T-supported countries across the world. The promotion also comes with the advantage of unlimited calls in the US.

Noting that customers who sign up for the promotion will be able to keep their new promotional shared data amount as long as they want, since there will be no expiration of the plan, David Christopher - AT&T Mobility's Chief Marketing Officer - said: "With these new double data plans, and smartphones for $0 down with AT&T Next, there's never been a more affordable time to be with AT&T."