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  1. ppetrov's Avatar
    Hi guys,

    I'm with Nokia Lumia 625 Cyan.
    OS: 8.10.12393
    Firmware: 3058.50000.1424.0004

    When trying to update (supposedly) to Denim, I always get this error:

    "We are currently unable to check for updates." (80072efe)

    I've tried reseting my phone numerous of times using Windows Recovery Tool. Also tried 2 different Wi-Fi connections, but to no avail.
    I just can't trigger an update and that's it.

    Does anyone know how to solve this?
    04-16-2015 07:42 AM
  2. gpobernardo's Avatar
    Error code 80072efe is caused by an internet connection interruption between your phone and the update servers. If you've done everything that you can to ensure that you've got a reliable internet connection, then the problem most probably is now with the server side - the servers may be busy, are overloaded, being upgraded... or that they simply can't be accessed from you area at this point in time.

    You could try updating your device after a few hours or days.

    And welcome to Windows Central.
    ppetrov likes this.
    04-16-2015 07:50 AM
  3. ppetrov's Avatar
    Thanks a lot for the info gpobernardo!

    Sadly, I've been trying this for nearly 2 months now and it's always the same error. I think there's something more than busy servers. I'll keep digging.
    gpobernardo likes this.
    04-16-2015 08:26 AM
  4. gpobernardo's Avatar
    Two months!? Could you check if Denim update is available for your region here? It is available in most regions so it should be available in your region too (I didn't go through each and every country).

    By trying two different Wi-Fi connections, did you try two totally different connections (from different internet service providers, or at least from two different locations)? It could be that the internet service provider is blocking the servers.
    04-16-2015 09:08 AM
  5. ppetrov's Avatar
    Yeah, I've checked the availability page and Denim should be available for my location (Germany).

    I'm always trying behind the same ISP, so I think you are probably right about the blocking thing. I ran a wireshark trace today and I got this:

    HEAD /wp8/MicrosoftUpdate/Redir/duredir.cab HTTP/1.1
    Cache-Control: no-cache
    Connection: Keep-Alive
    Pragma: no-cache
    Accept: */*
    User-Agent: Windows-Mobile-Device-Update-Agent
    Host: ds.download.windowsupdate.com

    HTTP/1.0 408 Request Time-out
    Server: AkamaiGHost
    Mime-Version: 1.0
    Date: Thu, 16 Apr 2015 14:12:55
    Content-Type: text/html
    Content-Length: 218
    Expires: Thu, 16 Apr 2015 14:12:55

    <HTML><HEAD>
    <TITLE>Request Timeout</TITLE>
    </HEAD><BODY>
    <H1>Request Timeout</H1>
    The server timed out while waiting for the browser's request.<P>
    Reference &#35;2&#46;c6d1a14d&#46;1429193571&#46;0
    </BODY></HTML>


    The phone sends the request, but something in the middle times it out. :-/
    Last edited by ppetrov; 04-16-2015 at 09:39 AM.
    gpobernardo likes this.
    04-16-2015 09:20 AM
  6. ppetrov's Avatar
    This may be closed.

    The windows phone update started working after I used a proxy server on my wi-fi setup. *Sigh*

    Thanks for the hints gpobernardo!!
    gpobernardo likes this.
    04-16-2015 10:39 AM
  7. gpobernardo's Avatar
    Was about to suggest using some form of proxy-ing technique.

    Glad to know that everything's settled (so far). You're welcome!
    ppetrov likes this.
    04-16-2015 12:22 PM
  8. ap0calypto's Avatar
    Had same issue. I fix it with hard reset
    04-17-2015 04:20 PM

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