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CraigZA · 10-17-2015 02:20 AM

Hi all

Any clues on how to upgrade the firmware of an EXP39 when used with a T27P?

The guides all mention using a T26P or T28P, but nothing of using a T27P? (Supplier does not stock T26P anymore so I had to purchase a T27P).

Many thanks!

***James_Yealink*** · 10-17-2015 06:55 AM

Sorry, EXP39 can't be upgraded by T27P.

Regards,
James

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Threaded Mode \| Linear Mode EXP39 & T27P - How to upgrade firmware?
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