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Windows Phone Developer Registration (Unlock) - Error Code 0x64

Each time when I need to unlock a Windows Phone device is a new experience for me. I think that each time I face the 0x64 error code.
First time when you see this error you look at the device time and date. You check it and see that it is okay. After that you start to look over the internet and see different solutions, from the one that say that you should click register button immediately when the error is displayed to the one that say that the problem is from 64 bits system and give different solutions.
I all the time forget about the root cause of this problems. Usually the device that I registers are company devices that are for development. Because of this I don’t have a SIM inside them or are connected to the Wi-Fi network.
It seems that when you want to register for development you need to have access to the internet from that device. All that you need to do is to connect to the Wi-Fi network from the device and of course set a valid time and date.
I don't know why the phone needs an internet connection, if you already have the data cable plugin...
Enjoy!

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