https://www.googlenestcommunity.com/t5/Streaming/quot-something-went-wrong-quot-when-trying-to-setup-chromecast-ultra-with/m-p/802746#M87267 <P class="lia-align-justify"><SPAN>Hi there,</SPAN></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify"><SPAN>Thank you very much for contacting the community! I recognize what you have been experiencing with your Chromecast Ultra; when you tried to use an iPhone as a mobile hotspot to connect another iPhone, you received a 'something went wrong' error message. I appreciate you taking the time to research these troubleshooting steps. Don't worry—I am here to help!<BR />I'd like to ask a few questions to ensure I provide the most relevant troubleshooting steps:<BR /></SPAN></P> <UL class="lia-align-justify"> <LI>Are both iPhones running the latest version of iOS?</LI> <LI>What color is the LED light on the side of the Chromecast Ultra? Is it solid or blinking?</LI> <LI>Is the Chromecast Ultra being powered by the USB port on the TV, or is it plugged directly into a wall outlet using its original power adapter?</LI> <LI>What's the TV brand and model?</LI> <LI>What's the firmware version?</LI> </UL> <P class="lia-align-justify"><SPAN>We always recommend a direct Wi-Fi connection to ensure the Chromecast functions correctly:<BR /></SPAN></P> <UL class="lia-align-justify"> <LI>For Chromecast (1st Gen), connect to a Wi-Fi 802.11 b/g/n 2.4 GHz network.</LI> <LI>For Chromecast (2nd Gen and 3rd Gen), connect to a Wi-Fi 802.11 b/g/n/ac 2.4 GHz or 5 GHz network.</LI> <LI>For Chromecast Ultra, connect to a Wi-Fi 802.11 b/g/n/ac 5 GHz network.</LI> </UL> <P class="lia-align-justify"><LI-WRAPPER><SPAN>Please feel free to share any additional details you think might be relevant.<BR />&nbsp;<BR />Regards,<BR /></SPAN></LI-WRAPPER></P> <P class="lia-align-justify"><SPAN>Dominic&nbsp;</SPAN></P> Wed, 29 Apr 2026 21:54:19 GMT RodrigoBC 2026-04-29T21:54:19Z https://www.googlenestcommunity.com/t5/Streaming/quot-something-went-wrong-quot-when-trying-to-setup-chromecast-ultra-with/m-p/802436#M87243 <P>Hello, I am without wifi, and have been trying to use my chromecast ultra through my mobile hotspot.&nbsp; I have researched as much as I can, using two iphones.</P><P>1 to set up mobile hotspot. The other to set up device through google home.&nbsp;</P><P>I get to the point it's almost connected, but then it says "something went wrong"</P><P>There's not much info on trouble shooting, would love some assistance solving the issue.</P><P>Thanks in advance.</P> Sun, 26 Apr 2026 17:52:50 GMT https://www.googlenestcommunity.com/t5/Streaming/quot-something-went-wrong-quot-when-trying-to-setup-chromecast-ultra-with/m-p/802436#M87243 Anthony687 2026-04-26T17:52:50Z https://www.googlenestcommunity.com/t5/Streaming/quot-something-went-wrong-quot-when-trying-to-setup-chromecast-ultra-with/m-p/802746#M87267 <P class="lia-align-justify"><SPAN>Hi there,</SPAN></P> <P class="lia-align-justify">&nbsp;</P> <P class="lia-align-justify"><SPAN>Thank you very much for contacting the community! I recognize what you have been experiencing with your Chromecast Ultra; when you tried to use an iPhone as a mobile hotspot to connect another iPhone, you received a 'something went wrong' error message. I appreciate you taking the time to research these troubleshooting steps. Don't worry—I am here to help!<BR />I'd like to ask a few questions to ensure I provide the most relevant troubleshooting steps:<BR /></SPAN></P> <UL class="lia-align-justify"> <LI>Are both iPhones running the latest version of iOS?</LI> <LI>What color is the LED light on the side of the Chromecast Ultra? Is it solid or blinking?</LI> <LI>Is the Chromecast Ultra being powered by the USB port on the TV, or is it plugged directly into a wall outlet using its original power adapter?</LI> <LI>What's the TV brand and model?</LI> <LI>What's the firmware version?</LI> </UL> <P class="lia-align-justify"><SPAN>We always recommend a direct Wi-Fi connection to ensure the Chromecast functions correctly:<BR /></SPAN></P> <UL class="lia-align-justify"> <LI>For Chromecast (1st Gen), connect to a Wi-Fi 802.11 b/g/n 2.4 GHz network.</LI> <LI>For Chromecast (2nd Gen and 3rd Gen), connect to a Wi-Fi 802.11 b/g/n/ac 2.4 GHz or 5 GHz network.</LI> <LI>For Chromecast Ultra, connect to a Wi-Fi 802.11 b/g/n/ac 5 GHz network.</LI> </UL> <P class="lia-align-justify"><LI-WRAPPER><SPAN>Please feel free to share any additional details you think might be relevant.<BR />&nbsp;<BR />Regards,<BR /></SPAN></LI-WRAPPER></P> <P class="lia-align-justify"><SPAN>Dominic&nbsp;</SPAN></P> Wed, 29 Apr 2026 21:54:19 GMT https://www.googlenestcommunity.com/t5/Streaming/quot-something-went-wrong-quot-when-trying-to-setup-chromecast-ultra-with/m-p/802746#M87267 RodrigoBC 2026-04-29T21:54:19Z