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T41S FIRMWARE 66.9.0.80 vers 66.86.0.5
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DANJEAN Offline
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T41S FIRMWARE 66.9.0.80 vers 66.86.0.5
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
08-22-2023 09:47 PM
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T41S FIRMWARE 66.9.0.80 vers 66.86.0.5 - DANJEAN - 08-22-2023 09:47 PM

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