Can i get my iphone 4 flashed to straight talk?

So i bought a iPhone 4 off of my friend recently. Its iPhone 4 not a 4s, its carrier is Sprint ™ , and i was wondering if i could get it thru straight talk, but when i looked it up some said yes & some said no, because it doesn't have a sim card slot like the 4s, ?

Sprint runs on a CDMA network, not a GSM network, which means they don't use SIM cards. To do this, you have to make sure your iPhone is at iOS 7.1.2 or 7.1.1, and then jailbreak it with PanGu (google it.)

Then follow the instructions provided on this website to flash the phone to the carrier of your choice.

http://www.iphonetoolbox.net/

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