FlyerTalk Forums - View Single Post - What do you think will happen if I put my iPhone 3G sim in my PC
Old Jul 16, 2008 | 8:02 pm
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ScottC
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You need more than a sim slot, you also need the 3G modem in your machine as well as the software for it.

But if it's a 3G unlocked modem (or one locked to AT&T) and it supports the AT&T 3G frequencies, you'll be able to surf for free on your PC. BUT, since the iPhone plan is officially only for smartphones, AT&T might decide to bill you for the usage. A lot of people do this, and if you do it in moderation, you do indeed get free unlimited data.

You'll need to google for the AT&T 3G settings.
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