Inserting MetroPCS sim card into Iphone 4/4s?

OK, read this question carefully please. This is more for a technical expert. I currently have a MetroPCS android smartphone with a MetroPCS sim card. The sim card is a regular sim card (not a micro or a nano sim card). I'm aware that if i purchase a sim card cutter, that i can convert my regular sim card into a micro sim card. If i insert this new MetroPCS micro sim card into an unlocked Iphone 4/4s, would my MetroPCS service work on my Iphone?

No, the iPhone 4 doesn't support LTE, MetroPCS SIMs are for their LTE network which the phone doesn't support.

No, it won't work unless you are planning to use iPhone 5 in the future.

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