[header] How to change a sim card in an iphone [title] Get an iphone sim card opener. [step] A sim card opener is a small tool with an oblong body and a pointy metal tip. Every iphone package comes with one, but if you managed to lose yours or you no longer have your iphone's box, a simple paper clip is a great substitute. 
[title] Insert the opener into the sim tray. [step] Look around the sides of your iphone and you should find a small hole no larger than the tip of a pencil.