Sorry, I can't agree with you. My application works on hundreds of iPhone devices and the UUID of the bluetooth device I use was always the same on all phones. Until the last update.
IsmailKeskin
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
From
Sarıyer, İstanbul, Türkiye
Post
Replies
Boosts
Views
Activity
How did you delete "the old devices". From comman line?
Please explain. Thanks in advance