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T41S FIRMWARE 66.9.0.80 vers 66.86.0.5
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complex1 Offline
3CX Adv. Cert. Engineer
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Posts: 1,488
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Post: #2
RE: T41S FIRMWARE 66.9.0.80 vers 66.86.0.5
(08-22-2023 09:47 PM)DANJEAN Wrote:  Hello
i have a YEALINK T41s with 66.9.0.80 firmware
but not configuration possible with 3CX
So i wan t to downgrade it in 66.86.0.5 firmware
bur impossibler

How can i do it please ?
Regards

Hi,

You can download the desired firmware from here:
https://www.yealink.com/en/solution-deta...ce-for-3cx

Kind regards,
Frank.

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
08-23-2023 01:00 AM
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RE: T41S FIRMWARE 66.9.0.80 vers 66.86.0.5 - complex1 - 08-23-2023 01:00 AM

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