My understanding was that 16.16 was meant to have the final fix for this.  Have you had it happen upgrading from 16.16 to a newer version? ... View more

You weren't wrong, when the device is sat not in use no ping at all then as soon as you unlock it pings straight away.   Thanks for the heads up on this 🙂 no thank's to Apple though, very frustrating 😡   Cheers 👍 ... View more