How to unlock network lock
My phone does not work after installing a SIM card.it recommends that SIM card is not supported to activate this iPhone.How can I activate it
iPhone 7 Plus, iOS 15
Ask the carrier it's locked to if they'll unlock it, or sell it to one of their customers and put the money towards a different unit.
If the SIM card is for the carrier involved, ask them for another one.
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