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https://www.yealink.com/ydmp-freetrial-2020


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black screen
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complex1 Offline
3CX Adv. Cert. Engineer
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Posts: 892
Joined: Jan 2014
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Post: #4
RE: black screen
(07-24-2018 05:13 PM)logiqit Wrote:  I have rtied resetting, but nothing happens.

Hi,

Is it possible to login in the phone?
Yes, then go to Settings > Upgrade > Reset and click “Reset To Factory” to reset the phone.
No, then check or replace the power adapter.

Hope this will help.

Best regards,
Frank.

Dutch is my native language, not English. Apologies for my imperfect grammar.
07-24-2018 05:48 PM
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Messages In This Thread
black screen - logiqit - 07-24-2018, 04:05 PM
RE: black screen - complex1 - 07-24-2018, 04:12 PM
RE: black screen - logiqit - 07-24-2018, 05:13 PM
RE: black screen - complex1 - 07-24-2018 05:48 PM
RE: black screen - logiqit - 07-24-2018, 08:50 PM
RE: black screen - complex1 - 07-25-2018, 09:03 AM

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