Downgrading Base firmware to 25.73.0.27 from 25.73.0.40

[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 Downgrading Base firmware to 25.73.0.27 from 25.73.0.40
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bharat@metro Offline

Junior Member

Posts: 2

Joined: Jul 2016

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Post: #1

Downgrading Base firmware to 25.73.0.27 from 25.73.0.40

Hi,
Can any one please help me out downgrading firmware. I'm new to yealink phone system.

We have IPFX PBX which only supports 25.73.0.27 for W52P. http://www.ipfx.com/library/resources/6....0Notes.pdf

if this is possible them please let me know where i can get old firmware's and how i can downgrade it.

Cheers
BR

07-15-2016 07:38 AM

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Messages In This Thread

Downgrading Base firmware to 25.73.0.27 from 25.73.0.40 - bharat@metro - 07-15-2016 07:38 AM

RE: Downgrading Base firmware to 25.73.0.27 from 25.73.0.40 - complex1 - 07-15-2016, 11:33 PM

RE: Downgrading Base firmware to 25.73.0.27 from 25.73.0.40 - bharat@metro - 07-20-2016, 10:05 AM

RE: Downgrading Base firmware to 25.73.0.27 from 25.73.0.40 - complex1 - 07-20-2016, 08:53 PM

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