Basically all you have to do is send a text message with a ‘from’ identifier of length > 32 chars and a small flag set. The only way to recover is a factory reset, allthough there is a link in the text which may or may not work. A staggering amount of the Nokia product Read more about Howto Break Nokia SMS capability[…]
This causes vibration which in turn leads to quite measurable latency.
This links to a whole range of impressive cheapskate (but effective!) ways of upgrading your camera setup, such as how to make cheap flash diffusers, your own camera bag, flash deflection umbrella’s, tripods, ringlighting rigs, etc.
Which basically means: you can put your iphone on any carrier you like now! It’s called yellowsn0w and is available through Cydia.