Chromecast without home WiFi. Use you mobile phones data plan. Netflix, Prime.
Use chromecast without Home Wifi .
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Chromecast UK Link
https://amzn.to/38mYRMG
If your phone and carrier support tethering (mobile hotspot) you will still need a second device to cast from:
Android phone or tablet.
ipad iphone or macbook with chrome browser installed.
Windows PC running the Chrome browser.
your second device needs to be connected to the same phone as the chromecast.
Chromecast remote link
https://youtu.be/e1tGxnDfqPc
From Googles Chromecast site
You can use the Google Home app on compatible mobile devices to set up Chromecast (both versions), Chromecast Ultra, Chromecast Audio, and TVs and speakers with Chromecast built-in. The Google Home app is compatible with mobile devices running: Android 5.0 and higher. iOS 11.0 and higher.