[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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Yealink T28P Firmware Upgrade Fails
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RE: Yealink T28P Firmware Upgrade Fails
(01-14-2014 06:29 AM)micheltenhove Wrote:  Hi,

I'm breaking my head over this issue for a few days now.

I'm trying to upgrade 10 Yealink T28P phones via the web interface, I downloaded the newest firmware and tried to update. It constantly skips the update of the devices and stays on the same firmware. I also tried putting them in recovery mode and pushing the firmware with TFTP. That also fails with the following error: Update fail, please reboot (12).

I have different firmware versions on my yealink devices:

Firmware Version 2.70.13.9
Hardware Version 1.0.0.39

AND

Firmware Version 2.61.13.22
Hardware Version 1.0.0.39

Cany somebody hint me to the right direction? Smile
Hi micheltenhove,

Because your version has software protection from TIPTEL, you can't upgrade to our neutral version in the website. Please contact with your distributor TIPTEL for help.

Best Regards
Yealinl Support
01-14-2014 02:32 PM
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RE: Yealink T28P Firmware Upgrade Fails - Yealink Support - 01-14-2014 02:32 PM

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