WebBluetooth not always active pair mask on android

Hi
WebBluetooth.Device.Connect( using chrome not always active pairing mask on android. Googling i discovered any flag to check like : Web Authentication caBLE v2 support of chrome://flags/ .. I set this on a problematic android phone but don't go ...

have you any suggestions for this ? setting to do in a serviceworker , manifest or index page ...

Thx

It is unclear what exactly you are trying to do.
Do you get errors in the browser console, and if so, which one(s)?

no i didn't see this because i'm on android ... i must debug remotely