This guide will show you how to cut a regular sim card down to a micro sim card. This can be used for pay as you go/GoPhone as well on the iPhone 4/iPad. Written guide: bit.ly IMEI Number if you need one: 011817001806540 *I AM NOT RESPONSIBLE FOR ANY DAMAGE WHICH MAY OCCUR WHEN FOLLOWING THIS TUTORIAL!* YES, GOPHONE/PAY AS YOU GO DOES WORK ON THE iPHONE 4!!!!! LIKE, COMMENT, SUBSCRIBE!! Follow Me on Twitter: bit.ly