iOS 4.2 prevents some USB devices from working via Camera Connection Kit
December 7th, 2010 link to (permalink)
According to 9to5Mac, changes introduced in iOS 4.2 have caused Apple's Camera Connection Kit to become a lot less useful for iPad owners. As of iOS 4.2, the amount of electricity the iPad's 30-pin dock connector can put out has apparently been slashed from 100mA to 20mA.
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