Airdrop showing wrong name
Finally fixed this. All the settings on my iPhone were correct, but my iMac kept thinking my phone had a different name (my son's). Took me a while, but figured out that my iMac was using my iCloud contacts, which I don't sync to my phone. I tracked down a stray listing for my son and deleted it, and now my iMac recognizes my phone correctly. So double check all your contact listings, both on your phone/iPad and in iCloud!