Bluetooth pairing
Trying to pair iPhone with iPad but other devices gear never stops spinning and devices will show up temporarily and then disappear
iPad Pro, iPadOS 16
Question marked as
See the information in: Bluetooth: Why can't I pair my iPhone or … - Apple Community
If you are attempting to use Handoff/Continuity or AirDrop, that does involve Bluetooth but the devices are NOT paired; Bluetooth just needs to be on and the devices in range of each other. The following may help with Handoff/Continuity issues: Use Continuity to connect your Mac, iPhone, iPad, and Apple Watch - Apple Support
Also see Share files between your Mac and Bluetooth devices - Apple Support