Quote:
Originally Posted by Question Mark
However, from what I have been reading, that would involve using cellular data and I am not on a data plan
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You read very bad sources. I repeat:
>you can keep it Internet-less
>As written, you can use this just to bridge devices.
If you connect the phone to a data source, you provide Internet to the connected devices; otherwise, with the hotspot you have created, you have created a bridge for allowed devices.
If you disable cellular connectivity, but enable the bluetooth and connect a keyboard, you have a two devices network - for the rest, isolated.
If your "phone" is a hotspot, and A and B connect to it, A and B can talk. What's not connected (e.g. the Internet) won't.
It just creates a network. It's just like your phone becomes a hub/switch and you plug other devices into it via a virtual (Wi-Fi) cable, so they can talk. And it's a private network, if you do not also connect the Internet.
There is no expense nor bureaucracy in creating a network.
Just be sure to keep your data access (GPRS, 4G etc.) disabled, as you are already doing now - otherwise, devices attempt connection to the Internet. Keep internet access off - as you are already doing (otherwise you would be paying for it). Keep if you want the cellular network accessible, but not the data (you have surely learnt those settings).
The phone has several radios - say, Cellular, Bluetooth, Wi-Fi, GPS...
ALL of them can be down and the Hotspot can still work. Even the "Wi-Fi" setting - the Hotspot is a different one (to me, it is in "Tethering and mobile hotspot").