I have recently received an Iphone 6 but how do I find out what carrier it was bought from. The person I got it off has no idea and neither do I but I need to know in order for it to be unlocked. I ve tried using my O2 sim inside it but it comes up with SIM Not Valid and the message that comes up when it s locked which rules out O2 but I need to find out which carrier my phone was bought from so I can unlock the Iphone and use my O2 sim in it.
Thank you for any help xx
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How to find out what carrier my Iphone 6 was bought from?