AT&T Breaks The Apple SIM’s Best Feature, Locks It Down If You Pick AT&T — techcrunch.com

The idea behind the Apple SIM that comes in the new iPads is most excellent: one SIM, many carriers. Whenever you want to switch carriers, you’d just pop into settings and pick the new one. If you want to bring your own SIM, you can — but otherwise, everything happens through software. No swapping SIMs, no ordering new SIMs, no hassle. Alas, someone had to go and throw a wrench in the gears. AT&T (who else?) is mucking up the whole thing.

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