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Yealink Forums » IP Phone Series » Phone specific topic » Firmware reversal

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Firmware reversal
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HLCS Offline
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Post: #1
Firmware reversal
I need to go back to the base firmware 25.50.0.22. The firmware I am currently using 23.73.0.40 does not allow me to shared line for which I need to fix for a client after upgrading to the lasted firmware.

Can someone help me or tell me if it is possible to do.
09-21-2016 10:28 AM
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Kevin_Yealink Offline
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Post: #2
RE: Firmware reversal
(09-21-2016 10:28 AM)HLCS Wrote:  I need to go back to the base firmware 25.50.0.22. The firmware I am currently using 23.73.0.40 does not allow me to shared line for which I need to fix for a client after upgrading to the lasted firmware.

Can someone help me or tell me if it is possible to do.

Dear,

Nice to know you. We fix many bug on the nre firmware, the newest firmware will have better performance. So my suggestion is that you can upgeade the base, don't downgrade the base.

So please upgrade the base to the firmware. It also support Share Line on the frimware.
http://download.support.yealink.com/down...0.0.15.zip

BR
Kevin
11-23-2016 05:58 AM
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