1. Windows Central Question's Avatar
    I cannot sync, or log on to certain sites. Keep getting error codes: 800704CF and 80072f78 in my Nokia Lumia 520.
    03-06-2015 03:11 PM
  2. RumoredNow's Avatar
    These are both networking error codes... It may be related to the settings on your router.

    Are you using a Proxy of any kind? Test your phone with cellular data or on another WiFi if possible to rule out the phone.

    If you need more help, please sign up for the site so you can reply to this thread. The thread is getting bumped and maybe someone who knows more about networking will chime in.
    Laura Knotek likes this.
    03-07-2015 01:03 PM
  3. frebrown's Avatar
    l use MTN proxy server of 10.120.0.138 but l keep getting error code 800704CF.
    04-01-2015 09:22 AM

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