[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.

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T20P stuck on fonality, help me!
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syadnom Offline
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Posts: 11
Joined: May 2016
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Post: #1
T20P stuck on fonality, help me!
I have some T20P that are stuck on fonality firmwares and 201. I can flash between the two, but can't get anything else on there.

I got about 3 seconds of fonality support before and their instructions where to load the 201 file and then load which fails.

Does anyone have a proceedure that works?
08-23-2018 02:35 AM
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johnkiniston Offline
Junior Member

Posts: 24
Joined: Apr 2013
Reputation: 1
Post: #2
RE: T20P stuck on fonality, help me!
You will need to contact your reseller/provider and ask them to help you with the firmware upgrade, the firmware on your phone is custom and can not be upgraded to the generic firmwares from the Yealink site.
08-23-2018 03:18 PM
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