[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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Black Screen
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Yealink_Daniel Offline
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Posts: 39
Joined: Jan 2015
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Post: #4
RE: Black Screen
Hi,

Thank you for your feedback.

Please keep pressing "OK" button for more than 10s, then a warning message will come out to ask you whether you want to do a factory reset, then press the "OK" button on the softkey, phone will reset.
If it doesn't work, please kindly help to do a recovery mode update for test, please refer the link below:
T46-Recover mode.zip

After a recovery mode update, if the issue still exist, it will be a hardware issue, please contact your vendor for help at first, if vendor can't help you, please tell me where you bought this phone from and what's the SN of it, then I will help you to contact our sales to handle it.

Thank you for your cooperation.

Best regards
Daniel
03-10-2015 08:29 AM
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Messages In This Thread
Black Screen - jonbubcruz - 03-07-2015, 06:35 AM
RE: Black Screen - Yealink_Daniel - 03-07-2015, 10:13 AM
RE: Black Screen - jonbubcruz - 03-10-2015, 03:23 AM
RE: Black Screen - Yealink_Daniel - 03-10-2015 08:29 AM
RE: Black Screen - celtic66 - 11-02-2016, 08:10 PM
RE: Black Screen - susan albert - 11-19-2016, 01:07 AM
RE: Black Screen - Lucia_Yealink - 11-30-2016, 08:13 AM
RE: Black Screen - Lisa - 12-08-2016, 09:16 AM
RE: Black Screen - phan - 01-04-2017, 02:25 AM

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