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iPhone X requires activation after update to iOS 14.3

My sister just gifted me her iPhone X she's been using, which was bought new, factory unlocked and she have been using a local (Nigeria) SIMs on it.


Before I start using the phone I decided to back it up with iTunes, erase it, update it to the latest iOS version and then restore my backup from my previous iPhone 6s+, all I did successfully but didn't insert a SIM.


After the update was complete I decided to insert my SIM and I got the Activation Required popup and then the SIM Not Valid screen.


Am so confused I don't know what to do and I can't seem to find a way to contact Apple from Nigeria.


iPhone X

Posted on Jan 1, 2021 8:59 AM

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Question marked as Top-ranking reply

Posted on Jan 1, 2021 9:08 AM

check with your carrier for that

1 reply

iPhone X requires activation after update to iOS 14.3

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