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Yealink Forums » IP Phone Series » General topics v » T20P stuck on fonality, help me!

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T20P stuck on fonality, help me!
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syadnom Offline
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T20P stuck on fonality, help me!
I have some T20P that are stuck on fonality firmwares 9.70.181.200 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 9.73.0.50 which fails.

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