You can also link a BLE device to a unit directly from a unit's settings window (while editing a unit), however, this is only possible if this unit was created from the Asset management section with the type "New unit".
🔔 You can only link BLE devices to units that were created from Asset management, using the type "New unit".
Link a BLE device
To link a BLE device:
Go to a unit's settings.
Go to the BLE device tab.
📘 The "BLE device" tab is only available if you have access to the menu
Settings ➡ BLE devices settings.Click the ADD BLE DEVICE button.
Click the drop down menu and select one of the existing BLE devices. You will be able to see if they are
Available or already
Linked to another unit.
🔔 If you choose a BLE device that is already linked to a different unit, this will cancel the link with the other unit and replace it with this unit.
To submit your selection click the checkmark button
(to cancel and choose a different one, you can click the 
button).
When it's done, click the SAVE button at the bottom.
Unlink
To unlink a BLE device:
Go to a unit's settings.
Go to the BLE device tab.
Press the bin icon to delete it.
Click the SAVE button at the bottom.