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 to be helped me Along with this problem? Can i unlock this phone?