Cannot connect to HA in Companion App via Internal URL

[merryflag4173]

iOS device model, version and app version

Model Name: iPad Pro (11-inch) (3rd generation) Software Version: 18.5 App version: 2025.5

Model Name: iPhone 11 Pro Software Version: 18.5 App version: 2025.5

Home Assistant Core Version

2025.5

Describe the bug I am unable to connect to my HA instance via Internal URL. External URL works (via HA Cloud). I'm also able to connect to the Internal URL from my laptop.

To Reproduce

• Enter Internal URL under Settings > Companion app > Home > Internal URL
• Quit app & relaunch
• App does not connect to HA

Expected behavior

• App should connect to HA

Screenshots

Additional context