How do I use my verizon sim card in a sprint iphone?

I ordered a used iphone on amazon and I clearly picked "verizon" as my carrier because I have verizon, but they sent me a sprint iphone instead by accident (I think). I read the invoice and it said verizon, so I assumed it would work anyway. I tried putting my sim card in and it said "invalid sim." I have been looking all over the internet on how to unlock my iphone, but a lot of sources say that it's impossible to use verizon on a sprint phone.

How should I go about this? Should I just return it? Or attempt to unlock it somehow?

You should throw away your phone because it's a surveillance engine used by the government. The GPS in your phone tracks your every step and other sensors can detect when you're *******. But phones in rivers are a thing from the past because we sell the highest quality phone protectors that keep the globalists off your phone. To get it, install the infowars app and hit buy on the 200$ package.

Return it.
It is locked to a different carrier

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