Dec 07

camerakit
iOS 4.2 for the iPad has recently been released and some iPad owners noticed that Apple has lowered the power output of the iPad’s 30-pin connector to a mere 20mA, down from 100mA in iOS 3.2. This means that connected devices such as USB Keyboards, USB Flash drivers and Cameras that require power of more than 20mA will no longer work and will give you the message “The connected USB device requires too much power.”.

Why would Apple reduce the power output of the 30-pin connector? Is it a bug or did Apple did this on purpose to reduce the battery drain of the iPad?

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