Invalid SIM

eastbayrae

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Jun 12, 2011
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How do I fix this? The phone worked fine overseas and now here in the states I have bought 3 SIM cards from T-Mobile and all give the error. The phone was bought in the states unlocked and sent to me overseas.
 

sinlessearth

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Feb 10, 2011
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Hate to say it but is sounds like it isnt really unlocked. Mine use to say invalid sim until I got the unlock code from the carrier and now any sim works. If it was bought in the states what carrier is it branded to. Did you buy this from a reputable store?
 

roaddash

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Nov 9, 2011
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Hi, your phone seems to be locked to certain network..so you need to unlock the network..for unlocking , you can use unlock codes..it is very easy..this unlock code is available at many unlock providers . here you need to check for your phone model and the locked network..if it is available you can get the unlock code easily..
 
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