How to unlock sim

I just switched from straight talk to Mint and I was setting up my iphone 6 s plus and it says " The sim card that you currently have installed in this iphone is from a carrier that is not supported under the activation policy that is currently assigned by the activation server. This is not a hardware issue with the iphone. Please insert another sim card from a supported carrier or request that this iphone be unlocked by you carrier.



I did as you stated and called at&t and they had me get online  


Carl, thank you for your feedback. I did as you stated and called at&t and they had me get online and fill out a request for unlocking and a couple hours later my request was approved and I had my Iphone 6s Plus working with Mint Mobile Service.


Hi Hayden. Please contact the carrier where you bought the iPhone to get the unlocking code.



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