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Thats still surprisingly unsolved problem. I was daydreaming about pulling my laptop out somewhere without known wifi and it automatically using my phone as a hotspot, without going trough manual process of enabling said hotspot. Somehow we connected the world but forgot to connect out devices..

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This has almost been a feature for Macs+iPhones for like a decade. You need to manually "pick a wifi network" but it'll turn on your phone's hotspot if you pick it from the list.

Never tried on my Mac, but on iPad, it’s totally automatic : the iPad automatically tells the iPhone to enable the hotspot (over Bluetooth I presume) then connects to it.

Is the hotspot truly off? I am asking because it was really common to see Whoever's iPhone whenever you were picking a wifi network.

The hotspot uses a lot of power, so it really is off when it's not being used.

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