So you’d like to turn that old iPhone into something a little more useful than an iPod touch, right? Well now you can, just order a replacement SIM from AT&T for $15 (which should come pre-scored so you can use it as a full size or micro SIM).
You can order your “replacement” SIM here: http://www.wireless.att.com/cell-phone-service/accessory-details/?q_sku=sku4530230
After you’ve installed your new SIM card in your iPhone, follow these steps. (more…)