If you can't connect to one of these devices
Mac Compatibility Mac Compatibility MacBook Air (Retina, 13-inch, 2020) MacBook Air (Retina, 13-inch, 2018 - 2019). Apple MacBook Air Bluetooth EFI. MacBook Air bluetooth firmware. Free Publisher: Apple Downloads: 640 External File. This software is available to download from the publisher site. Mac Pro is designed for pros who need to build high‑bandwidth capabilities into their systems. With four double‑wide slots, three single‑wide slots, and one half‑length slot preconfigured with the Apple I/O card, it has twice as many slots as the previous Mac tower.
- Get help connecting your iOS device and your car stereo.
- Learn how to set up your AirPods.
To get help pairing a Bluetooth accessory—like a wireless keyboard—to your iOS or iPadOS device, try these steps:
- Make sure that your Bluetooth accessory and iOS or iPadOS device are close to each other.
- Turn your Bluetooth accessory off and back on again.
- Make sure that your Bluetooth accessory is on and fully charged or connected to power. If your accessory uses batteries, see if they need to be replaced.
- If there's an app that you use with the Bluetooth accessory, go to Settings > Privacy > Bluetooth on your iOS or iPadOS device, and make sure that you've turned on Bluetooth for the app.
If you still can't pair or connect your Bluetooth accessory
- If you previously connected your Bluetooth accessory to your iOS or iPadOS device, unpair the accessory, put it back in discovery mode, then try to pair and connect it again.
- If you can pair your accessory with some devices but not your iOS or iPadOS device, unpair the accessory from your other devices. Then try to pair with your iOS or iPadOS device again.
- Check with the accessory manufacturer to make sure that your accessory supports your iOS or iPadOS device.
- If you still have any of these issues, contact Apple Support:
- You can’t turn on Bluetooth or the setting is grayed out.
- You can’t connect any Bluetooth accessories with your device.
- The accessory manufacturer confirmed that your accessory is working correctly.
Learn more
Mac Bluetooth Keyboard
If you need help pairing a Bluetooth accessory to your Apple TV, learn what to do.
Bluetooth 4 would require a hardware upgrade. There are two options you could consider, one would be to get a USB adapter the other more interesting option is to replace the existing internal Bluetooth card. I have actually done this myself and such an upgrade certainly does give you full 'Continuity' compatibility.
First see these articles. http://www.macworld.co.uk/how-to/mac-software/get-continuity-handoff-airdrop-on- old-mac-3582632/ and http://www.cultofmac.com/306681/add-continuity-mac-using-just-cheap-bluetooth-do ngle/
Second see this website. http://www.osxwifi.com/adapters/apple-broadcom-bcm94360cd-802-11-a-b-g-n-ac-blue tooth-4-0-with-adapter-for-macpro-2009-and-macpro-2010
Bluetooth For Apple Watch
Bluetooth For Apple Macbook
The adapter above replaces both the original WiFi card and Bluetooth card with a current 802.11ac WiFi card and current Bluetooth card as would be fitted in the current iMac as an example. Since this is a genuine Apple part it is automatically recognised and supported by OS X. This is the approach I used in my Mac Pro.