[YMCS/YDMP Free Trial Program]Yealink would like to offer Free Trial Program of Yealink device management service for our current eligible customers. You can see the details below.
https://www.yealink.com/ydmp-freetrial-2020


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Dead W52H
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bsnipes Offline
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Post: #1
Dead W52H
I decided to update the firmware on a W52H that I just received after updating the base station. The USB utility got to 10% and then said it had completed. Handset appears to be totally dead. Is there a recovery procedure for them available?
10-01-2013 12:27 AM
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Yealink Support Offline
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Post: #2
RE: Dead W52H
Hi Bsnipes,
Did you follow our upgrade guide to upgrade it?
http://www.yealink.com/Upload/W52P/V40/H...20Tool.zip
Could you try again?
Thanks.
10-10-2013 02:53 PM
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mkeuter Offline
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Post: #3
RE: Dead W52H
I had the same issue today when I tried to upgrade the handset from 26.30.0.40 to the new 26.30.0.50.
The handset looked dead, but was still detected via USB. I had luck and could reflash it with FW 26.30.0.40.

Michael

http://www.mksolutions.info
10-10-2013 09:06 PM
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bsnipes Offline
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RE: Dead W52H
(10-10-2013 09:06 PM)mkeuter Wrote:  I had the same issue today when I tried to upgrade the handset from 26.30.0.40 to the new 26.30.0.50.
The handset looked dead, but was still detected via USB. I had luck and could reflash it with FW 26.30.0.40.

That worked for me. Thanks.
10-10-2013 10:59 PM
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mkeuter Offline
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Post: #5
RE: Dead W52H
@Yealink:

Are there known problems when updating to the new 26.30.0.50 handset firmware?
Had anyone success with that FW?

Michael

http://www.mksolutions.info
10-14-2013 09:21 PM
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Yealink Support Offline
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Post: #6
RE: Dead W52H
Hi,
I have tried it, and I succeed.
I upgrade from 26.30.0.40 to the new 26.30.0.50
These are my steps:
1.Open Update Tool,
2.Browse to load firmware,
3.Connect one side of USB cable to computer,
4.Press OK button of handset to activate it,
5.Connect other side of USB cable to handset,
6.Click upgrade.

I attached my updating picture.

Could you try again?

Thanks


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10-17-2013 09:06 AM
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mkeuter Offline
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RE: Dead W52H
After re-downloading it, it now worked as you described, thanks.

Michael

http://www.mksolutions.info
10-17-2013 05:58 PM
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