Upgrade OS with no sim card?
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I was just thinking, I would like to update my OS, but probably shouldn't go for that 40 minutes it takes without people being able to get ahold of me. If I were to put my sim card in my old phone for the time being, could I still upgrade my new one without the card, and then put it back in once its all finished? I'm assuming yes, but I just wanted to be sure
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