Apple have just released iOS 4.3.4 – and it’s a security update so you really want to update if you view PDF’s on any of your Apple devices.

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It’s a 666.7 MB update if you have an iPhone 4.

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iOS 4.3.4 Software Update

Fixes security vulnerability associated with viewing malicious PDF files.

Products compatible with this software update:
• iPhone 4 (GSM model)
• iPhone 3GS
• iPad 2
• iPad
• iPod touch (4th generation)
• iPod touch (3rd generation)

For information on the security content of this update, please visit this website: