Question about AT&T Blackberry Curve 8300 Smartphone

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Password My phone is currently locked and I know for a fact what my password is, but it keeps saying it is invalid. You only get 10 attempts and then all the info will be deleted. I'm on my last attempt. I called my carrier and they had no helpful advice.

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Woah! DON'T put it in again. it will fry your sim card. call customer care (1-800-331-0500) and they'll help you unlock it. if you do fry it, then you would need to get a new sim card.

Posted on Dec 09, 2008

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1 Answer

Phone says invalid sim


What's your phone Brand and model?
Your phone says "Invalid Sim" means that your phone is locked to Particular Network.To solve this problem you need to get your phone unlocked.You can unlock your phone from Network lock using unlock code.You can get the unlock code for your phone from your Network service provider or any third party online vendors like SuperUnlock codes.com here you need to specify your phone model.country,Network name to which it is locked,IMEI number of your phone.Then they deliver unlock code to you through mail with unlocking instructions.Using this you can unlock your phone from Network lock easily.

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