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Mikeinstlouis · 06-14-2023

I just recently and unfortunately changed my Wi-Fi service to T-Mobile 5G. I'm trying to set up all my Google devices which are working fine except for my Chromecast. It keeps saying unable to authenticate Chromecast. I called T-Mobile and they sugge...

Mikeinstlouis · 06-19-2023

I have read that the cause of this problem was because of the network. Well it would not work on my T-Mobile 5G gateway so what I did was I unplugged that, and replugged in my AT&t before I send it back. I tried to set up the Chromecast through AT&t ...

Mikeinstlouis · 06-18-2023

I'm having the same issue. Using the scanner on my phone I could not authenticate my Chromecast. I could install it manually with no problem. Can't sync my TV nor do I have Chromecast in my Google home app. I'm using T-Mobile 5G gateway. Samsung S22+

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Google Chromecast not playing with T-Mobile 5G

Re: We couldn't authenticate

Re: We couldn't authenticate