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There is a difference how the Mac sees Hotspots and regular Wifi routers, it disconnects from HotSPOT as soon as it goes to sleep and needs to be reconnected after waking up. I have the same iCloud on my Mac and iPhone and I can connect via "iCloud instant HotSpot" but, I also want it to stay connected all the time.

marked as duplicate by Nimesh Neema, Tetsujin, fsb, Glorfindel May 18 at 16:57

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