@FlyingToastr , This just started happening to me as well on my Iphone X. I had disabled Auto Join and even though it's still disabled the phone still joins. I even tried resetting network settings to default. I think Xfinity closed the loophole. The reason the service is cheaper is they want people using the hotspots over the cell towers. This is built into the Carrier Firmware. Previously they had a bug ot loopholehwere we could prevent the phone from joining. They have since fixed that. The only way I now won't join is when I disable WiFi. This auto join drives me nuts becasue I stream media in my car all the time. I constantly lose my signal becasue the phone switches to a business hotspot when I drive by or stopped at a light and then doesn't switch back to Mobile data. You would think their algorithm would use a combination of GPS and movement before doing this switching. This is one of the reasons I have just unlocked my phones and leaving for another carrier
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