Question about RIM BlackBerry Curve 8310 Smartphone

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Invalid sim I bought this phone off someone, it's a tmobile blackberry curve 8310 and when I put my sim card in and loaded the phone up it said invalid sim, and for the signal it say sos. Now I already tried to take the sim card out and put it back in with the sim door in the lock position but that still doesn't do the trick. I even tried cleaning the prongs off. I finally called tmobile and they told me it's either the phone or the sim card, but it cant be the sim card because it works fine in my blackberry pearl. Is this phone a lemon?

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  • 271 Answers

1. (easyer way) When I got my Blackberry, I had to put it in a couple of times for it to work.

2. Buy a new sim card.
If this does not work, then check to see if it is unlocked.

Posted on Feb 05, 2010

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Posted on Jan 02, 2017

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