iPhone say "NO SIM"

If you just bought it from AT&T or Best Buy or Apple Store, go back there right away to get it fixed or replaced under the 30 day warranty.

If you had it for a while, go to an Apple Store for Genius Bar repair or replacement.

Hi jaman,

If you haven't already, try restarting the iPhone by holding the Sleep/Wake button until the red slider appears> then slide to turn off> and turn the iPhone back on by pressing the Sleep/Wake again, as described on page 34 of the iPhone User Guide.
http://manuals.info.apple.com/en/iPhoneUserGuide.pdf

If the issue persists after restarting, try contacting the cellular service provider and having them verify the account is still active.

You can also try restoring the iPhone, to rule out issues with the software running on the iPhone. This article: http://support.apple.com/kb/HT1414 will walk you through the process.

-Jason

There is a one-year warranty, not a 30 day warranty. There is a 14 day return policy less a 10% restocking fee.

this happened to me after i dropped my iphone once. just take the sim card out and put it back in, that fixed it for me

Thank you soooooooooo much,

paperclip in ... pop out ... re-insert ... voila ...

cheers
rg;[D