Congratulations for the acquisition of an In/Out device v4.0!
Please first recharge the battery at least 30 minutes. Plug one end of the USB cable in the device, the other end in a computer or in a power adapter.
The description of your hardware is available here.
You need to upgrade the firmware of the device via USB cable: follow this procedure.
The smartphone app runs natively on an Android or iOS device. Current version of the main app is 2024.04.04 for Android and iOS. You can download them on each store:
A tutorial for the App is available here:
A tutorial for the on-court experience is available here:
For pickleball, the on-court experience is available here: