20.12.2013 15:50 Uhr, Quelle: Macworld UK

Hidden magic: a look at the secret operating system inside the iPhone

If you've spent some time in the Apple world, you've probably encountered the term "baseband" at least once--typically as part of a discussion on why jailbreaking seems to be so hard.Despite those frequent mentions, however, this important component of every iOS device doesn't often receive attention outside of highly technical realms. Most often, it is dismissed as little more than a curious piece of firmware responsible for blocking those who run afoul of Apple's locked-down operating system, but there's much more to it than that.The man behind the curtainAt its most basic, the baseband is a combination of hardware and software responsible for managing some of the most fundamental functionality of a mobile device. It drives the radios that communicate with cellular networks, translating radio signals to and from data that the device can actually use, and validates your phone to ensure that it can be used with a specific provider (for example, through a

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