28 ms·

Note that pressing the power button 5 times on a Samnsung phone calls 911 rather than lock your phone. To lock an android phone like this you need to bring up t

Note that pressing the power button 5 times on a Samnsung phone calls 911 rather than lock your phone. To lock an android phone like this you need to bring up the power menu and select "Lockdown mode". The only way I'm aware of to bring up the power menu is to hold the power button, and the default seems to be to not show the lockdown button; it needs to be enabled in settings. Also, by default holding the power button brings up a voice assistant rather than the power menu, leaving no way to access the power menu at all, so this needs to be changed to show the power menu in settings as well. And even after all that configuration you need to be looking at your screen to hit a little touch target to trigger a lockdown. This seems like a really poorly thought out panic button.

neilv 3y ago
And on current GrapheneOS: * Lockdown (require PIN to unlock) -- Hold power button 1 second, then tap Lockdown icon on screen. * Call 911 -- Click power button 5 times, then don't slide to cancel in the 5 second delay. * Camera -- Click power button 2 times. (If you invoked this while at lockscreen, you'll be restricted to Camera and recent Gallery, AFAICT.) So, if you're at, say, a heavy-pickpocketing tourist attraction, or high-risk mugging neighborhood, then you might switch your phone to Lockdown, and use this restricted Camera mode when you want to take photos. Then someone just grabbing the phone will still get the phone, but at least not likely be able to access your accounts. (Though, if they try to force your finger or face to the screen, then you might need to calm them down, as you type in your PIN.)
chuckadams 3y ago
On iOS, holding the power button also brings up Siri, but holding power and either volume button brings up the shutdown screen. Does this not work on android, or is it another one of those vendor-specific things?
- idle_zealot 3y ago
  That power+volume button thing seems to be stock android, but some vendors (like Samsung) disable it, frustratingly.

neilv 3y ago

And on current GrapheneOS: * Lockdown (require PIN to unlock) -- Hold power button 1 second, then tap Lockdown icon on screen. * Call 911 -- Click power button 5 times, then don't slide to cancel in the 5 second delay. * Camera -- Click power button 2 times. (If you invoked this while at lockscreen, you'll be restricted to Camera and recent Gallery, AFAICT.) So, if you're at, say, a heavy-pickpocketing tourist attraction, or high-risk mugging neighborhood, then you might switch your phone to Lockdown, and use this restricted Camera mode when you want to take photos. Then someone just grabbing the phone will still get the phone, but at least not likely be able to access your accounts. (Though, if they try to force your finger or face to the screen, then you might need to calm them down, as you type in your PIN.)

chuckadams 3y ago

On iOS, holding the power button also brings up Siri, but holding power and either volume button brings up the shutdown screen. Does this not work on android, or is it another one of those vendor-specific things?

idle_zealot 3y ago
That power+volume button thing seems to be stock android, but some vendors (like Samsung) disable it, frustratingly.