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Set date and time error unlocking a Windows Phone

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Scenario - local phone dev in Tampa has a Nokia 520. He's developed an automation type system using the Windows Phone APIs and wants to developer unlock his 520 so he can deploy his app. When he runs the Windows Phone Developer Registration tool, he gets a message that he must -set the correct date and time on the phone to proceed-. But the correct date and time are set already! WTH?

I've probably unlocked or helped folks unlock hundreds of dev phones. This isn't that hard. The requirements are simple - dev account and an phone connected to the computer. Run the program. Yet the 520 won't unlock. I check and double check everything. Heck, I even relock and unlock my Nokia 925 to make sure all the connections are good. And I've unlocked my 520 before so I know its not a 520 issue.

Solution - So finally, I put the Nokia 520 onto the wi-fi. And it unlocks. I didn't tell you the Nokia 520 had a SIM in it that didn't have a data plan. I also reproduced this situation on other Windows Phones that didn't have any SIMs in them at all.

Moral of the story - Once I put the phone on an internet connection I could unlock it.

Widnows Phones without SIMs or Internet connections? Oh my. Not as unreasonable as you think. My customers scenario - they were looking for a cheap bluetooth enabled device with great programmability they could use for some automation projects. A $69 Nokia 520 fits this bill quite well. Hard to reproduce all the capabilities that come in a Nokia 520 or 521 with any other device at that price point. If only we had kiosk mode - sigh.

I've also seen people picking up 520/521s to use as Zunes or a fruit-company type music device. The 520/521s allow for an external memory card to be used. They have a GPS and a camera. You can put music, games and podcasts on them. Seems like a winner to me.

I also know a number of people who picked up the 520/521 for testing 512meg app scenarios. This is the hottest selling Windows Phone in the world. At $59-$79 (when on sale) its a very affordable dev device to have in your bag. And most of those devs would not get an extra SIM card for the 520/521. And in many scenarios, the phone might not be on the wifi when trying to unlock it. As happened to us.

Full text of error message reproduced here in hope the SEO gods will bless and bing empower its stickiness for some other developer out there. 

     
Developer Phone Registration 

 This tool unlocks your phone for debugging and testing Windows phone apps. 
To use this tool you must have the following: 
o A current developer account 
o The Microsoft ID and password associated with your developer account available 
o A Windows Phone that is connected to your computer, powered on, and screen unlocked. 

For more information about registering as a developer, see Registration Info. 

Status: Error communicating with the Windows Phone Dev Center. 
Please set the correct date and time on the phone, 
check the Internet connection on device and try again later (ErrorCode: 0x64)

Comments

  • Anonymous
    January 04, 2014
    Thanks! I just connected my phone to wifi and it worked!

  • Anonymous
    May 23, 2014
    bro. same problem i have for this i have to on internet connection of my mobile and then it works

  • Anonymous
    June 04, 2014
    Doesn't work for me, the phone is connected with wifi and get the same error This process is a really *** as I have found tons of same problem referencing on the net Domi

  • Anonymous
    June 12, 2014
    You need turn on Wifi (or 3G) in your WindowsPhone. Sr for my bad English =))

  • Anonymous
    July 16, 2014
    The comment has been removed

  • Anonymous
    October 06, 2014
    Thanks. Samme issue here to connect to a wifi-connection.

  • Anonymous
    November 30, 2014
    That helped a lot, thanks!

  • Anonymous
    March 28, 2015
    Thank you so much. It helped me a lot!

  • Anonymous
    May 10, 2015
    ty,a lot. I learnt much from this blog. But,I can't unlock my Windows Phone,still.

  • Anonymous
    May 26, 2015
    Error 0x64 has proven to be the most ambiguous error code ever. My phone (nokia lumia 820) was connected to the internet (via wifi) and had the correct time/timezone. That wasn't the problem. So, if you got to this thread in 2015 and still can't unlock your phone it might be because you are on windows phone 8 rather than 8.1. That's what the problem was for me. So, make sure you are up to date. Oh, and just a heads up, there isn't a cumulative update so you have to check for updates like 10 times (depending on the last time you updated) before your device actually gets up to date. I think it's time for 0x64 to be split into multiple error codes.

  • Anonymous
    June 14, 2015
    Thank you to 2015 dev for pointing out that updating the OS on the nokia lumia multiple times was required.

  • Anonymous
    June 25, 2015
    Is it now possible to unlock phone for development if I really need WP8.0 (w/o upgrading to 8.1) to check compatibility?

  • Anonymous
    July 15, 2015
    >Evgeny No, its impossible