If you need to unpair  your UA Heart Rate, you can do that in UA Record. 
For example, if you lose or damage your UA Heart Rate and need to replace it, you'll need to disassociate your old UA Heart Rate from your UA Record account so that you can pair a new one. 
- 
On your phone, open the 
				UA Record app. 
			 
 
- On the 
				main screen of the UA Record app, tap 
. 
			  
- Tap .