Connect the Sharp E Ink device to a PC with a USB to USB cable
Open the Service tool application with the ServiceToolLauncher.exe
Click the EP Service Tool option, this will open the Service tool
In the Service tool application click the Service tool menu, and in the Service tool menu find the Debug mode setting, and enable the debug mode
Copy the APK onto the device (It can be found on Windows in the This PC as a Phone device)
Open the ScrCpy tool
Open the Files app on the device and install the APK
Once the app is installed go back to the Home screen and click the little book Icon in the bottom left there set up our application as the default application so it will be launched automatically after a restart
Open the Wallboard E Ink application, and it will ask for a server URL, but after 2 minutes if you do not input any URL it will automatically connect to the https://editor.wallboard.us server
Once the application is connected to a server it will receive the 4-digit code and with that it can be registered on a server