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All keys grey out T48G - Printable Version

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All keys grey out T48G - c99hris - 06-06-2017 02:55 PM

I have a customer with T48G phones there are about 10 where all at one time the phones grey out, the internet is not dropping out.

Firmware is 35.80.0.95

Please advise
Thanks
Chris


RE: All keys grey out T48G - complex1 - 06-06-2017 05:08 PM

Hi,

Please upgrade the phone to the latest available firmware and try again.
Do not forget to reset the phone to factory default after the upgrade.
http://download.support.yealink.com/download?path=upload%2Fattachment%2F2017-5-22%2F6%2F8a5369bb-7897-4211-b617-16d372f8d110%2FT48-35.81.0.110.zip

Hope this helps.