At the beginning of the month, I went on a business trip to Europe. While there, I tested this feature. My phone is an iPhone 17 Pro. Using Apple’s official demo app as well as my own board, I successfully performed ranging （channel sounding）. After I returned home, the feature became unavailable again in the app. Therefore, I believe this is a regional restriction. May I ask if there are any concrete plans for subsequent support? Moreover, I haven’t found any information about this feature restriction anywhere so far, and this is currently affecting our iOS app development process. Thanks

Ok, thanks for your reply. I've joined MFi Program and my accessories are connected to the findmy network. But after that, do I have to develop my own app to be able to use the UWB features of my accessories? Why can't i just use this Find My app like an airtag?