Ensure you have latest platform-tools installed on your computer system.
If you do not have the SDK "platform-tools" installed on your computer, download it from this link and keep track where the the "platform-tools" folder is located:
Enable "Developer Mode" on the HereLink Blue by navigating to Settings->About Phone->Build Number and tap at least 7 times on "Build Number."
Swipe down on the screen and click the "gear" icon for settings
Click "About Phone" in the settings window
Click on the Build Number at least 7 times until the "Developer Mode" screen message is displayed
Enable Settings->Developer options->USB debugging
Click "Developer Options" in settings
Toggle USB debugging to "On"
Using a USB to Micro USB cable, plug the DataLink into a computer and open the computer's terminal command line
Open the Terminal
For Windows, navigate to the "platform-tools" folder. In this folder, hold down Shift and then right-click. From the menu select the “Open Command window here” option. If the option to open the command window is not available, then click on the "open PowerShell window here".
Windows
For Mac, navigate to the "platform-tools" folder. Right Click the folder and select Services->New Terminal at Folder
Mac
Check if the unit is connected
Using the computer's terminal, check it the device is connected via the adb command protocol:
Mac:
Mac
Windows:
Windows
Download QGC APK
Click the link below to download the Android 64 bit QGC .apk to your computer: