How to fix: Windows Phone 8 Driver Not Found

So yeah this took me some time to figure out so here we go:

Hardware-IDs:

USB\VID_045E&PID_F0CA&REV_0100&MI_01
USB\VID_045E&PID_F0CA&MI_01

I am using Windows 7 64-bit.

Problem: Upon connecting the Windows 8 Phone, there are 2 drivers to be installed. One installs succesfully, the other one is left with a yellow exlamation mark in the Device Manager.

1. Get yourself the Windows Phone USB drivers e.g. from here

2. Unzip the folder.

3. Open the “WmZuneSerUSB.inf” file with Notepad/Editor.

4. Change the lines
[Microsoft.NTx86]
%DeviceDesc% = WINMOBIL, USB\Vid_045E&PID_04EC&MI_01

[Microsoft.NTamd64]
%DeviceDesc% = WINMOBIL, USB\Vid_045E&PID_04EC&MI_01

to

[Microsoft.NTx86]
%DeviceDesc% = WINMOBIL, USB\VID_045E&PID_F0CA&REV_0100&MI_01

[Microsoft.NTamd64]
%DeviceDesc% = WINMOBIL, USB\VID_045E&PID_F0CA&REV_0100&MI_01

5. Save the inf file.

6. Go into the Device Manager, right-click the device with the exclamation mark, “Update drivers”, “Search on computer”, and navigate to the folder you unzipped and which includes your updated .inf file. Click on “Next” and you should be good to go.

4 thoughts on “How to fix: Windows Phone 8 Driver Not Found

  1. Thank you very very very very very very much. i have search everywhere but didn’t found working driver. your trick is working like charm.

    😀

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