[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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Downgrade Firmware
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rick@fireflyearthworks.com Offline
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Post: #5
RE: Downgrade Firmware
(01-29-2021 03:40 AM)complex1 Wrote:  
(01-29-2021 02:26 AM)rick@fireflyearthworks.com Wrote:  How can i downgrade from 28.80.21.34 to your latest on your site of 66.88.25.9

Hi,

You can’t.
Firmware 28.xx.xx.xx (T46G) belong to another series as firmware 66.xx.xx.xx (T4xS)

Hope this will help.

Do you have the firmware for a T46g on the web site or can we get a copy emailed to us? I do not see that phone listed....
01-29-2021 06:36 AM
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Messages In This Thread
Downgrade Firmware - Lee-Dreyer - 10-07-2013, 07:05 PM
RE: Downgrade Firmware - Yealink Support - 10-11-2013, 09:08 AM
RE: Downgrade Firmware - complex1 - 01-29-2021, 03:40 AM
RE: Downgrade Firmware - rick@fireflyearthworks.com - 01-29-2021 06:36 AM
RE: Downgrade Firmware - Yisroel_MongoTEL - 01-29-2021, 10:10 PM

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