By using a paperclip to pop out the SIM card, reader John can check his email on his iPhone while traveling internationally without racking up ridiculous roaming/data transfer charges, as shown in this video he made us. The result is basically a WiFi enabled PDA / iPod.

A handy tip that could’ve saved a couple people a few thousand dollars *cough* And This Is Your $4190.76 iPhone Bill *cough* iPhone/AT&T $3,000 International Roaming Bill Serves As Cruel Warning…or you can always just get a prepaid local SIM card, providing you’ve already unlocked your iPhone, of course.

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