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Please update Firmware Update to Yealink T42S phones to support WF50 WiFi Dongle. The WF40 WiFi dongle does not support the 5GHz wireless band which is a requirement in my environment due to interference on the 2.4Ghz spectrum.

Hello @Jared Balfour, we need to see the graphical user interface of the phone. Please create a case HERE, and our tech support will contact you as soon as possible. Thank you!

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