Putting my sim card in used iPhone?

So my mom has an iPhone 4s, and she is going to upgrade to a 5 tomorrow. I want her 4s. Can I take my sim card out of my 4g android phone and put it into the 4s? I have a data plan and everything, and we both have verizon. Will this work like I won't have to set anything up with Verizon? My cousin did this and explained it to me but i just want to make sure I have this right?

Think you should be fine

The IPhone doesn't have a slot for a SIM card. You could take it to a Verizon retailer and they will transfer all of your data to your new phone.

The sim card holds all the information of your plan, and since the other phone is already verizon. It will work~!

Yes you can. First take out your SIM Card from your phone. Next spin around 3 times and howl like a banshee. Insert the SIM Card into the 4s, then pray to the God's of Apple to pour their grace unto you. There you go!

Spencer is the only one who almost has it right. The iPhone 4s does have a SIM card slot, but it is not for a 4G SIM card and no SIM will activate service for it in the US It is for global travel only.

You need to activate the iPhone 4s through Verizon.

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