1. Windows Central Question's Avatar
    After having to go through factory reset after completion of W10 update on Lumia 640 (lost all keyboards and restarting every 10 minutes), I was able to have it to start behaving normally.
    However I'm unable to complete the installation of Windows 10 Mobile (10.0.10586.164) update. It always ends up with an error code: 0x80073712

    Completely baffled. Any advice?
    abhishek singh21 likes this.
    03-23-2016 03:54 PM
  2. abhishek singh21's Avatar
    lost all keyboards and restarting every 10 minutes
    if this persisits even after installation of build .164 , rollback to 8.1 aand try the upgrade process again. this could happen because of broken update files :)


    However I'm unable to complete the installation of Windows 10 Mobile (10.0.10586.164) update
    the solution will be to rollback to 8.1 and do the upgarde process again:)

    http://forums.windowscentral.com/win...x80073712.html
    03-24-2016 01:53 AM
  3. sinip's Avatar
    The problem with missing keyboard and restarts was resolved after factory reset of new Win10 installation, so that's not an issue any longer. However I'd like to avoid downgrading the phone in order to fix that error.
    Any other proposal?
    03-24-2016 03:57 AM

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