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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.
Is tethering overriding your data setting? If it was truly offline updates etc wouldn’t work
All the tethering settings are off. I'm just using the default hotspot settings.
https://en.wikipedia.org/wiki/RNDIS (connectivity over usb)
my samsung phone gives me several options (charging,mtp,rndis,etc..)
its surprising that your tethering is off. it might seem that its considered a seperate technology.
edit: "RNDIS linux module is being deprecated and will be removed from the Linux Kernel in favor Network Control Model (NCM), but it is used by majority of devices nowadays (2023) and up to now the only way to configure working USB tethering for old Android devices.[1] For more recent devices (Android 14 era) try to use "Network Control Model (NCM) support" module first."