How to Protest Safely in the Age of Surveillance
If you insist on using biometric unlocking methods to have faster access to your devices, keep in mind that some phones have an emergency function to disable these types of locks. Hold the wake button and one of the volume buttons simultaneously on an iPhone, for instance, and it will lock itself and require a passcode to unlock rather than FaceID or TouchID, even if they’re enabled. Most devices also let you take photos or record video without unlocking them first, a good way to keep your phone