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Detecting multiple screens on iOS pre-3.2?

iOS 3.2 introduced [UIScreen screens] which allows me to determine how many screens are connected to the device. However, I'm looking for a way to determine this on a device with a previous version, prior to 3.2. Any thoughts?

No devices running pre-3.2 can have multiple screens in any meaningful programmatic way. That's why there weren't APIs for it. What are you trying to do?

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