What's this slot for on an iPhone?

Guest

Bacon Cheeseburger

That's where you insert your sim card.

Toad Stool Rmt

For SIM card

Sprint Iphone 5 sim card slot? I have the 16 gb iPhone 5 from sprint and i realized that the phone still has the sim card slot. Does this mean that the phone can be unlocked to be used with at&t or t-mobile? Or is it unlocked already?
How to unlock iphone 4 without sim slot? I have an iphone 4 for sprint it does not have a sim card slot and is running 5.1.1 and jailbroken is there any way to unlock this phone i repeat it does not have a sim card slot it there any way to unlock? I'm trying to get rid of my old number which is stuck on the phone because i lost it and found it
Iphone does not have a sim card slot? I bought an I phone 4 by Verizon. I have T Mobile so my friend would have been able to unlock it and what not. The problem is, it does NOT have a sim card slot AT ALL. Is there any way i can use the phone without selling it? *Maybe go by the Verizon or T Mobile store? *seriously I need help with this. Because I really want to use it and if I can't at all please help me. Or let me know.
Iphone 4 Verizon has no sim card slot? My iphone 4 doesn't have a sim card slot. I go to camp on sunday and were not allowed phones but ipods are okay so I was going to take out my sims card and leave it at home. What can I do so I can still bring it?