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Level 1

4 points

Sim is not valid

how to solve out "SIM is not Valid" problem?

iPhone 5s, iOS 12

Posted on Jun 22, 2021 12:20 PM

Top-ranking reply

Level 10

203,782 points

Posted on Jun 22, 2021 12:33 PM

That means the phone is locked to a cellular carrier other than the one you are trying to use.

Only the carrier it is locked to can unlock it.

Ask whoever you got the phone from what carrier it's locked to, and contact that carrier to find out if they will unlock the phone for you to use.

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