How to unlock an iPhone 4 for free? - 2

Can you guys help me unlock my iphone 4? I don't want to pay for a service

I'm afraid you can't get free unlocking service for this model… Better get your iPhone 4 unlocked using remote unlocking method. You can get this service from many vendors online like http://www.simpleunlocking.com/apple-iphone-4/rs16wp9

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