If you are not able to connect your Trackman 4 to your iOS device, then try the following:
- iOS Software Update
- Go to "Settings" → "General" → then tap "Software Update". If a Software Update is available, download and install it
- Wi-Fi Assist are turned off
- Go to "Settings" → "Cellular or Settings" → "Mobile Data". Then scroll down and tap the slider for "Wi-Fi Assist"
- Turn off VPN
- Go to "Settings" → "General" → Tap "VPN". Toggle off the VPN status to “Not Connected”
- TM apps enabled
- Go to "Settings" → "Privacy/Anonymity" → Local Network(s) Trackman apps should be enabled