@ukhaiku That's likely. Only in the last 3 weeks have I had more than one Handoff-capable device. The MBA is 2 years old (ex-Apple executive) & the iPhone SE is new. A Mac reseller has had a deal with Apple for 10 years to buy 2-yr-old Macs from them.
While perusing the latest (downloaded) issue of our Mac User Group's monthly magazine, I discovered this gem: Images: irony [photos.app.net] Folk are having trouble getting a password & downloading the magazine and the instructions on where to get help are in the download?