iPhone 4 – Jailbreaking vs. unlocking
People are sometimes confused by the terminology used for setting their iPhones free. The terms “jailbreaking” and “unlocking” are often used interchangeably, but they are different. Here’s what the two terms mean. As they come from the factory (or the Apple Store) iPhones are set to [...]
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http://iphonetouch.blorge.com/2010/08/31/iphone-4-%e2%80%93-jailbreaking-vs-unlocking/