How to flash a Verizon iPhone 4 to Straight Talk?

Okay, so I have a Straight Talk Samsung Galaxy which isn't working properly. Since it's still in warranty, I'll be sending it to Straight Talk to get my money back. But before I send it back I want to get my number off of it. I have a Verizon iPhone 4 that I plan to use with my Straight Talk $45 a month unlimited plan. I read online that it is possible, (but it will void the warranty, which I don't have any how) if you flash the Verizon iPhone 4 to Straight Talk. Straight Talk has a "Bring Your Own Phone Plan" and they sell iPhones, so I don't see why this wouldn't work. So basically what I need to know is how to flash the phone to straight talk, (steps, software etc.) and any fees that would come with unlocking and transferring the phone. Please, feel free to e-mail me at deitlemj87@yahoo.com to help me through the process.

Not possible.ST only works on gsm phones.
verizon is cdma.

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