Use APKPure App
Get 폰터스 블랙박스 (PONTUS Blackbox) old version APK for Android
It is an app that provides real-time weather and sets/controls the black box by linking the Pontus black box for GD300 and ST500 with a smartphone.
It connects the Pontus black box with smartphone BLE and displays real-time weather information on the black box LCD screen. Weather information is also supported by linking with a smartphone, and video recording and settings of the black box can be controlled from a smartphone.