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A problem with flashing W52 handset
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fzfx Offline
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Post: #1
A problem with flashing W52 handset
Good day.
I have a problem with upgrading W52 handset firmware via USB.
Current handset properties:
- handset model - W52P;
- hardware assembly version - 26.0.0.6;
- software version - 26.30.14.51;
- product ID - 201207061014.

I'm using Windows 7 64-bit for flashing.

When I plug the handset via mini-USB cable, I've got OS message "Unknown Device". At Device manager I've see "Unknown Device" at "USB controllers" section; device ID - "USB\UNKNOWN"; path to device instance - "USB\VID_0000&PID_0000\6&115AEC64&0&2".

I've got USB tool: W52p-Flasher[4.11.0.1].exe
After it's running, I click button "Install NOW" and got an error message (see attached screenshot).
[Image: 2294266]

I've found a topic at the forum about my problem (http://forum.yealink.com/forum/showthread.php?tid=497), but I can't get access to usbser.sys.

Where can I got fixed usbser.sys driver?

Thanks.

Problem solved.
I've used usbser.sys from Google.
(This post was last modified: 10-17-2014 06:04 PM by fzfx.)
10-17-2014 05:38 PM
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Messages In This Thread
A problem with flashing W52 handset - fzfx - 10-17-2014 05:38 PM

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