Use APKPure App
Get HALE Signal Protocol old version APK for Android
Backend for other HALE apps and provides connectivity for HALE Devices products
Signal Protocol App serves as media backend for other HALE apps and provides connectivity for HALE Devices products, including HALE Dreamer Alarm Dock and HALE Dock Controller for music etc. Signal Protocol App installation and update is automatically synchronized by corresponding HALE apps, please follow screen instructions to install/update when prompted to do so.