I will follow this thread with interest Olivegirl56. I find having WiFi only, uses heaps of data. I would love to get Netflix but data use prevents me.
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"We have a small tv in van and have a USB Chromecast. Have Netflix on iPhone how do we cast across to tv? Do we need a rv wifi?"
My understanding is USB Chromecast plugs into the TV
Then I used a chromecast app of my iphone to configure the Chromecast to use my local wifi network. ( wifi network name and also must need wifi network password )
The chromecast app is then used to instruct the chromecast device to download the video stream from wherever , netflix , yahoo etc
I have a 1st generation chromecast USB, later ones may have more features ..... etc