[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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USB Upgrade issues
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complex1 Offline
3CX Adv. Cert. Engineer
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Posts: 1,180
Joined: Jan 2014
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Post: #5
RE: USB Upgrade issues
Did you also connect the power, when you press and hold the redial button?

Kind regards,
Frank.

I am not an employee of Yealink.
Dutch is my native language, not English. Apologies for my imperfect grammar.
Please do not send unsolicited PM messages. I will not answer them.
07-21-2021 11:14 PM
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Messages In This Thread
USB Upgrade issues - acwells - 07-20-2021, 11:14 PM
RE: USB Upgrade issues - complex1 - 07-21-2021, 01:55 AM
RE: USB Upgrade issues - acwells - 07-21-2021, 03:42 AM
RE: USB Upgrade issues - acwells - 07-21-2021, 10:02 PM
RE: USB Upgrade issues - complex1 - 07-21-2021 11:14 PM
RE: USB Upgrade issues - Your Voice - 08-25-2021, 10:51 PM

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