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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Samsung > Samsung Android based phones

Samsung Android based phones Discussion and all of your questions relating to the Samsung Android based phones.

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Old 04-15-2019, 15:52   #1 (permalink)
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N960u at&t sim puk can't unlock my phone


i HAVE A NOTE 9 N960U AT&T LOCKED CARRIER WIT 'SIM network PIN blocked. Enter SIM network PUK'. So i bought NCK code from a source, the code that i received is NCK, MCK and RGCK. But when i put the NCK phone said that the code is incorect. I contacted the source and they told me to use first MCK code then imediatelly NCK to unlock my phone, i tried it but result is the same.

Can anyone help me with this problem? Can i unlock this phone?
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Old 04-15-2019, 15:58   #2 (permalink)
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Check to see if modem was downgraded and flash stock modem back to device..then repeat unlock
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Old 04-15-2019, 16:44   #3 (permalink)
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Did you got 16 digit codes ? if not then its useless.
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Old 04-15-2019, 18:34   #4 (permalink)
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It sounds like you need a defreeze code to input and than input your NCK code, I had similar situation before with a customer so what i did is flash Combination firmware and enter defreeze code and after NCK code and got it solved ...
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