I'm Geordie from AT& T Spring. I'm going to show you how to switch SIM cards in cell phones. I have a few different styles of cell phones here, in each one is unique in where the SIM card goes, or how it locks in. First I will show you here, on a model made by LG, called the View, simply want to take off the back, take out the battery, take our SIM card, and there's a little icon on here, that shows the SIM card for where it goes, then just need to put it in place, slide it up, put the battery back in correctly, put the back on the device, lock it in, and you successfully changed the SIM card for this style of phone. Going to a different style of cell phone that uses a different style mechanism that holds in the cell phone. It's a Blackberry Curve, model eighty-three-ten, offered by AT & T, and take off the back, take out the battery, this one uses a little door functionality locking mechanism that holds in the cell phone, that you need to slide down lock, and simply open just like a door, take your SIM card, follow the directions, sliding it down into that door mechanism, push it down, slide it over the left, replace the battery in correctly, put the door back on, and you've successfully changed the SIM card on a Blackberry Curve offered by ATT. Then we have a Samsung two-three-seven, the Passion model, one of the most popular phones with ATT, same thing, taking the battery off, out after you take the back off, take the battery out, it's a little slot for the SIM card, line it up, it has a little picture on there, slide the SIM card in tightly, replace the battery correctly, put the back on the phone, lock it in place, and number three, successfully change the SIM card on a Samsung phone.