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Why won't Coolpad Quattro 4G read SIM card?
My cool pad phone 4G is not able to read sim card. The home screen just display empty sim card with !like this error. What is the problem?
SIM card problem. Not able to read SIM card by my phone. Phone is cool pad 4G
Coolpad Quattro 4G
Yulong
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My coolpad 4g asks for metro PCS SIM Yet am in uganda and use airtel what can i do to unlock it?
Hmm.. It's either SIM card is no longer working or SIM card reader on the phone is the one no longer working. I suggest trying the SIM card on other phone and trying a different SIM card on your phone. See which one is not working.