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Comment by 3xblah | Hacker News Reader

Is there a reason to keep wifi enabled on a mobile phone while one is sleeping? There are certainly reasons against it. For one, it drains battery when one is not using the device.

Unless I am downloading something while I sleep, I disable the interfaces on computers while I am asleep. If I control the gateway that the mobile phone uses, then I can disable the interface on the gateway.

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Turn it off and it'll just use the mobile networks instead. Turn that off, and now you won't get phone calls or text messages. I guess you could go and turn off mobile data for apps too, but its not like they won't just upload that data once you flip wifi back on...

Have mobile data turned off. Only use in emergencies where no wifi available. Don't use many third party apps and, on Android phones, the only ones are sideloaded. Disabled Google's app store. Still get cellular calls and texts when wifi and mobile data are off. Background data disabled too, FWIW.

Not really keen on mobile phones because despite the deep cascades of settings I do not feel I am really in control of them. Prefer computers where can easily compile and install own choice of UNIX-like OS.

This is what I do. If an app doesn't need an internet connection, it can't access the internet.

> "but its not like they won't just upload that data once you flip wifi back on..."

Only if gateway is up. I can't really control a mobile phone loaded with a corpotate OS (I guess this is the point the replies are trying to make), but I can significantly control a router loaded with an OS I edited, compiled and installed myself. I have found that I can reliably keep a mobile phone from getting access to the internet when it is relying on me provding the internet access.

Your phone will just use its cellular data connection if it doesn't have wifi, which drains your battery more.

Mobile data turned off. In some phones there is not even a SIM card.

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