Android phones will soon reboot themselves after sitting unused for 3 days
Android phones will soon reboot themselves after sitting unused for 3 days
arstechnica.com
Android phones will soon reboot themselves after sitting unused for 3 days
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60 comments
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You want to do this even with custom roms.
Having your phone automatically go into the BFU state ensures that there's only a small window for a thief to extract data from your phone.
If you ever think your phone is about to be stolen or seized you want to power it off for this exact reason.
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It is not enough to lock the phone.
An advanced attacker that has access to forensic imaging tools can pull data off of your phone as long as it has been unlocked the first time after boot.
There are some models and some OSs (like Graphene on the newest Pixels) that are safe, for the time being, in AFU mode. You still want to power the phone off if you have the chance.
In your friend's situation, his phone can be powered, isolated from RF to prevent remote wiping and kept in a lock state in order to preserve the keys in memory until an exploit is found for that model. If the OS automatically reboots after 3 days, it prevents this kind of attack.
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It makes sense for a number of reasons. You could be being detained or your device could be sitting in lost and found.
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Stock LineageOS doesn't seem to have that feature
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@bobs_monkey@lemm.ee says it does
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They say their device restarts at 4 am but they don't seem to show how to set it up. On my Note 10 I don't seem to have this feature with stock LineageOS, maybe they're running a modified version of it, like Resurrection Remix
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60 comments