Have they dropped support for the ORIGINAL iPad? NO. So why would they drop support for the 2?
No! Lol. From the looks of it, 5.1 is helping a lot of iPad 1 users. Get a refurb one or get one off CL. They are going for $349.
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Why would they stop supporting a product they just announced they were continuing to sell? Why would it not get firmware upgrades? The iPhone 3 still gets firmware upgrades.