Device Lockdown.
Step by step.

Your phone is a surveillance device by default. Every app with location permission is a potential data pipeline to government agencies. This guide gives you exact settings to lock down iPhone and Android — before a protest, a border crossing, or anything else.

• 01Full-disk encryption — how to verify it's on and what it actually protects
• 02PIN vs. biometrics: the legal difference and exactly what to turn off before a protest or border crossing
• 03App-by-app audit: which apps are silently broadcasting your location and how to stop them
• 04Advertising ID deletion on iPhone and Android — the one setting that cuts off most government data purchases
• 05Signal setup and configuration: disappearing messages, sealed sender, and the settings that matter
• 06Clean travel device setup — how to prepare a secondary phone before a high-risk situation
• 07What to do before and after a border crossing: the exact pre-travel checklist
• 08Network hardening: Wi-Fi, Bluetooth, and the settings that create a location trail you didn't know about