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Q: SIM card no work and in top found (no service)
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Aug 27, 2016 1:02 PMby sberman,It sounds as if you're using an iPhone purchased in the USA in a different country. This is a very risky thing to do.
For one thing, the iPhone's warranty is only valid in the country where it was first sold.
For another, it may not support the cellular carrier you're trying to use it with.
Start here for troubleshooting:
If you get an alert about the SIM card in your iPhone - Apple Support
