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EHS36 with firmware & T38G
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lorn10 Offline
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Posts: 43
Joined: Feb 2014
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Post: #3
RE: EHS36 with firmware & T38G
Unfortunately the information practice of Yealink is catastrophic. Instead of telling me how to downgrade a EHS36 firmware they send me now a headset compatibility list. This really doesn't help anything. :-(

Is it now possible to make a downgrade of a new EHS36 to an older firmware?

It seems that any newer EHS36 models comes now with firmware installed. Unfortunately this FW is completely incompatible with any older Yealink IP phones like the T38G models. (T38G firmware, Headset model: Plantronics CS540)

There should exist absolutely a compatibility list or compatibility matrix regarding the EHS36 firmware. That list should then define which EHS36 firmware level needs which Yealink IP phones (and firmware).

Out of mine view the EHS36 v4.16.0.0 firmware is only made for the T4x (and newer) Yealink IP phones. This would then mean that any older firmware, like the v3.16.0.0 version should be T38G compliant.

Unofficial EHS36 Compatibility Matrix (by lorn10, NOT confirmed by Yealink!):
[updated on 20.09.2018]

Firmware v4.16.0.0 --> Yealink T4x phones with V8x firmware
Firmware v3.16.0.0 --> Yealink T2x, T3x, T4x phones with V7x (V71, V72, V73) and early V8x firmware
Firmware v2.16.0.0 --> Yealink T3x phones with V70 firmware
Firmware v1.16.0.0 --> Yealink T2x or T3x phones with V6x firmware

Kind regards from Central Europe
(This post was last modified: 09-20-2018 09:02 AM by lorn10.)
09-17-2018 02:48 PM
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RE: EHS36 with firmware & T38G - lorn10 - 09-17-2018 02:48 PM

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