[YMCS/YDMP Free Trial Program]Yealink would like to offer Free Trial Program of Yealink device management service for our current eligible customers. You can see the details below.
https://www.yealink.com/ydmp-freetrial-2020


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Firmware T57W
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Yisroel_MongoTEL Offline
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Post: #5
RE: Firmware T57W
(03-25-2022 11:04 PM)Pius Wrote:  Hello,
thanks for the feedback.
I already know the article Wink
The problem i have, is to update from a specific firmware.
Current Firmware: 96.86.0.23
Needed Firmware: 97.84.150.5 (T57W-97.84.150.5.rom)
Thanks and Kunde regards

TFTP recovery might be a way, but I would not risk it.

Not only that x.86.x.x is way newer than x.84.x.x. But 96.x.x.x has switched away from 97.x.x.x to become one unified firmware with T53W and T54W which makes it less likely to be able to switch.

Also note that as indicated here https://support.yealink.com/en/portal/do...67d60df0b9 V2 phones cannot be downgrades to lower than 96.86.x.x.
03-29-2022 11:00 PM
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Messages In This Thread
Firmware T57W - Pius - 03-10-2022, 09:00 PM
RE: Firmware T57W - complex1 - 03-10-2022, 11:22 PM
RE: Firmware T57W - Pius - 03-25-2022, 11:04 PM
RE: Firmware T57W - complex1 - 03-26-2022, 04:41 AM
RE: Firmware T57W - Yisroel_MongoTEL - 03-29-2022 11:00 PM
RE: Firmware T57W - Pius - 04-01-2022, 10:44 PM

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