1-2 of 2 Answers
According to Consumer Report, there is not any watch or phone that will give an accurate heart beat. if you want an accurate reading you need a blood pressure machine.
Sorry, there was a problem. Please try again later.Hello Holly, we apologize that this experience has been less than ideal. Here is a link (http://www.samsung.com/us/support/troubleshooting/TSG01003204/) that may help troubleshoot the issue you were having. ^Elizabeth
Sorry, there was a problem. Please try again later.

