Free factory unlock iphone 4?

Is it possible to do a free factory unlock for an iphone 4. I've seen a lot of services that charge but i don't have any money to pay.

This unlcoker has been working for a lot of people http://networkunlock.org/iphone4/ they make you do a survey but it's worth it since you will be getting it for free and save yourself about 40$

let me know if you need help

You can ask the company you have your phone locked to to send you your PUK code to unlock it. Most phone companies will just give it to you.

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