This is probably an elementary question, but my Googling has yet to find a definative answer. Is a GSM SIM unlock separate from a jailbreak on the iPhone? Most of what I read seems to suggest you have to JB an iPhone if you want to GSM unlock your phone.
I'm hoping an unlock is separate from a JB. I'd rather not have to worry about bricking my phone doing OS upgrades because of an unlock.
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