Sentry turns any Android or minimalist dumbphone into a 100% offline emergency safety beacon with zero monthly subscriptions. Key Features: • 🎤 Hands-Free Voice SOS: Triggers alerts via local offline wake-words (runs on CPU, zero internet/cloud). • 📶 2G SMS Dispatch: Sends raw satellite GPS coordinates over basic SMS when 4G/5G is down. • 🚨 Impact Detection: Triggers distress protocols on severe falls. • 🔒 Privacy-First: Zero cloud tracking, no recurring fees.