AirDrop requires both Wi-Fi and Bluetooth to be enabled for it to work properly.
To fix AirDrop not working, try switching off both radios completely and then turn them back on again.
On Mac, the AirDrop window (Command + Option + R) provides a button to enable Wi-Fi or Bluetooth (or both) in case they’re disabled.
AirDrop relies on Wi-Fi and Bluetooth to transfer files over the air. If you're still having trouble getting AirDrop to work correctly, try switching off both radios completely then turn them back on again.
AirDrop Not Working? Here's How to Fix It - MacRumors
You need Wi-Fi and Bluetooth for AirDrop to work properly, so try switching them off and then on again to jump-start things.
Note : Control Center no longer turns Wi-Fi or Bluetooth completely off. It simply stops the current connection but leaves things like AirPods, Apple Pencil, and Apple Watch available
AirDrop not working? Here's the fix! | iMore
If Wi-Fi is on and Bluetooth is off, or vice versa, AirDrop won’t work .
On the Mac, the AirDrop window ( Command + Option + R ) provides a button to enable Wi-Fi or Bluetooth (or both) in case they’re disabled, so you don’t have to manually connect to a Wi-Fi network and enable Bluetooth through Mac’s menu bar.
Here is how to fix AirDrop not working on iPhone, iPad, or Mac
AirDrop not working again? These quick steps will help fix any issues and do the necessary AirDrop troubleshooting. Learn how to get AirDrop to work!
AirDrop Not Working? Here’s the Quick Fix
This article explains how you can troubleshoot AirDrop issues that you may experience on your iPhone, iPad or Mac. The purpose of this article is to
AirDrop Not Working? Fix • macReports