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macrumors 65816
Original poster
Jan 8, 2009
I'm in the USA with AT&T as my carrier, I have an iPad 3 with an unlimited 4G LTE plan as well as an iPhone 4S with a seperate unlimited HSPA+ plan.

I was thinking about getting a SGS3 but also switching to Verizon at the same time because AT&T sucks in my area. If a do that and still wanted to occasionally use the iPhone, can I pull the sim from my iPad 3 and use it in my iPhone 4S and back? Does the fact that the iPad is an LTE plan versus iPhone HSPA+ plan matter?
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