IPhone 4s - Unlocked but Sim Locked

HI Guys,

I have a IPhone 4s, which has been activated but its Sim locked.

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Some info:

IMEI: 013002001306571
Activated: Yes
Last Activated SIM: Orange - France FRA
Telephone Technical Support: Expired
Repairs & Service Coverage: Expired
Estimated Purchase Date: November 8, 2011
Carrier: France Orange
SIM Lock: Locked
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when connected to ITunes:
The SIM card inserted in this iPhone does not appear to be supported.

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 your carrier. Please contact Apple for more information.
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Is it possible to unlock my phone?

Thanks

 

What is a interposer? Which one to use? Thanks for any and all help. Man I can't believe with all that's out there, that its this hard!

 

So I would use like the r-sim as its jail broken on iOS 7, then use like h20 Sim as my carrier? That's who I use on my other phones and like them. Thanks for all the help guys!

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