[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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T22 won't upgrade
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lonvoice Offline
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Post: #1
T22 won't upgrade
I have an unused T22 that won't upgrade to 7.72

It says it is upgrading, and even that it succeeded, but still shows:

Firmware Version 7.60.23.17
Hardware Version 5.0.0.55

?

Additional info - I've tried 7.70 to see if an earlier version would work as a stepping stone, but it didn't.

Trying to go back even earlier, using firmware 7.61 (link 20 on http://www.yealink.com/SupportDownloadfi...6&flag=142 ) seems to be a config file rather than a firmware?!

(and I have factory defaulted it first) Smile
(This post was last modified: 06-04-2015 06:40 AM by lonvoice.)
06-04-2015 06:32 AM
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Flora_Yealink Offline
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Post: #2
RE: T22 won't upgrade
Thanks for your information , I have forwarded your post to the person who will contact you through the email .
Best Regards!
Flora
06-04-2015 08:28 AM
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lonvoice Offline
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Post: #3
RE: T22 won't upgrade
Haven't heard anything yet?
06-05-2015 05:20 AM
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Flora_Yealink Offline
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Posts: 265
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Post: #4
RE: T22 won't upgrade
We are checking with the local distributor and will let you know if any update.
Best Regards!
Flora
06-05-2015 02:55 PM
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