🟢 Slow Pulsing Green → Standby mode (Battery OK).

🔴 Slow Pulsing Red → Standby mode (Battery low).

⚡ Fast Blinking (Any color) → Device is performing an action (e.g., initializing, measuring, uploading, or downloading).

🟢 Solid Green → Booting, can be connected via Bluetooth/USB for 5 minutes.

🔵 Slow Blinking Blue → Connecting to a mobile network.

🔵 Slow Short Blinking Blue → Searching for geolocation coordinates.

🟡 Fast Blinking Yellow → Downloading new firmware (OTA update in progress).

🟡 Solid Yellow → Writing new firmware to flash memory.

🔵 Solid Cyan → Reflash mode for firmware updates.

🟣 Solid Purple → Debug mode (skips the 5-minute connection window).

🟣 Fast Blinking Purple → Test mode active. Turns 🟢 Green if passed, 🔴 Red if failed.

🔴 Fast Blinking Red → Error detected; device will enter sleep mode.