Upgrade T28P firmware

[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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Threaded Mode \| Linear Mode Upgrade T28P firmware
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fdtcloud Offline

Junior Member

Posts: 18

Joined: Oct 2013

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Post: #5

RE: Upgrade T28P firmware

I would like a higher version. I cant seem to get the phone to take any version. We use lots of Yealink T28P phones with x.71. I have tried using the GUI to upgrade and the phone says firmware upgrading but after reboot it is on the same version. I also get the same result using TFTP.

12-25-2013 02:27 AM

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Messages In This Thread

Upgrade T28P firmware - fdtcloud - 12-20-2013, 12:28 AM

RE: Upgrade T28P firmware - Yealink Support - 12-20-2013, 05:45 PM

RE: Upgrade T28P firmware - fdtcloud - 12-24-2013, 12:52 AM

RE: Upgrade T28P firmware - Yealink Support - 12-24-2013, 02:04 PM

RE: Upgrade T28P firmware - fdtcloud - 12-25-2013 02:27 AM

RE: Upgrade T28P firmware - rlsabin - 12-25-2013, 04:10 AM

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