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After iPhone 6s upgrade to ios 15.5 can't activate

Hello, I've upgraded my iPhone 6s to ios 15.5 and it can't activate now. It say "Unable to activate, An update is required to activate your iPhone". My Macbook is running latest OS version, no updates offered. Tried several times, restarting iPhone. Can you please help ? Thank you


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iPhone 6s

Posted on Jun 25, 2022 11:22 AM

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Question marked as Top-ranking reply

Posted on Jun 25, 2022 12:51 PM

See if this link offers any help...

If you can't activate your iPhone or iPad (Wi-Fi + Cellular) - Apple Support

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After iPhone 6s upgrade to ios 15.5 can't activate

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