NSU / Nokia Software Updater for Retail doesn’t detect the device

Today, I was updating my phone to Lumia Cyan, and for a while I had an issue: the NSU For Retail didn’t detect my device. No matter how many times I tried to connect in different USB ports and using different cables, the NSU was always like this:

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If it’s your case, go to Control Panel->Device Manager, and under “Universal Serial Bus Devices”, you’ll find two entries:

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To fix the issue, just:

  • 1 - Unplug your phone
  • 2 – Right-click on both devices and select “Uninstall”.
  • 3 – Replug your device again

NSU should detect the device again.

Hope it helps !!