“So this phone says "unlocked". I bought it, works on sprint. But when I put in a TMobile sim, it says "Invalid SIM card". Am I missing something? Shouldn't it work on ALL major networks?”

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• Reset the network settings

  Answered by Tlacuase 6 years ago

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• your SIM Card is likely CDMA for Sprint and Verizon... T-Mobile and AT&T use a GSM Sim card

  Answered by Coach 6 years ago

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