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I'm wondering how to protect the phone if it ever gets stolen in an unlocked state (various vaults decrypted and online accounts logged in).
Perhaps an app and a small device that can lock a phone remotely? I imagine something like a panic button that sends an SMS to the phone. SMS seems like a better choice, because it takes more time to remove sim card than to disconnect from internet giving you more time to react.
"Wasted" seems like a good choice? However, I'm not sure where to find an appropriate device to trigger SMS "panic message". I'd prefer to avoid carrying a second phone just to send that one SMS, because smartphones have short battery life. Are there any smaller electronic devices that could accomplish this?
I couldn't find any guide or comments so far that addressed this type of threat, which makes me wonder if there is something else I'm missing? Should one rely instead on the phone to automatically lock itself after certain time of inactivity? I'm worried that if someone gets hold of the phone in the middle of working on some tasks it can cause a lot of damage in a short amount of time.