Hotspot Wi-Fi connected to my laptop works without connected to mobile data. What could be the reason?

DM294@lemm.ee to Linux@lemmy.ml – 41 points –

Title is self explanatory. For background, I am currently running Asahi Linux on my M1 MBP. Whenever I connected the hotspot without data being turned on, it somehow still worked like any regular wifi. I even ran several updates in the system and downloaded multiple apps in this wifi, which I find it amusing. But out of curiosity, I wanted to know from you guys that what could the reason be for this.

EDIT: So after following the advice of jet@hackertalks.com, I relized that the hotspot is using the network of my University's Wi-Fi, which explains why the hotspot worked even with the data turned off.

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Is the wifi enabled and connected on the phone? I had a situation once where the hotspot network was relaying data to the connected wifi network on the phone instead of mobile data like you'd expect.

Yeah, the Wi-Fi on my phone is enabled.