What parts would it take to covert an iPhone 4 CDMA to a GSM iPhone 4?

Yes, I screwed up and bought a Sprint CDMA iPhone 4 on e-bay. I need a iPhone 4 GSM to work on my network. What would I have to replace to make the conversion?

I'd love to tear this iPhone down and replace the needed parts. Already have the tools…

I'm pretty sure you would need an entirely new main board (motherboard) plus possibly also a new case, since the GSM version has a SIM card with a slot and different antennas etc. It's probably not worth doing - I would sell the phone on eBay and then buy the right kind.

The $600 motherboard.

Sorry dude, the whole circuit board is either CDMA or GSM, so you can't. Look at phones which are dual mode, doing both.

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