begstraz, ensuring that you're able to sync your Garmin Vivo Fit with your Samsung Galaxy S5 is vitally important. I apologize for the inconvenience this has caused you. We appreciate your time, patience, and troubleshooting assistance too.
Software updates for any device are intended to enhance its performance, not cause its users to be inconvenienced. The key here is ensuring your devices have the most updated software version in order to proceed. Let's first check your S5's software version. This website link will assist you at: http://vz.to/2fKdHEW. Once you've accessed the website please scroll down to the section titled "View Software Version - Samsung Galaxy S 5." - RobertC_VZW
Follow us on Twitter @VZWSupport
If my response answered your question please click the �Correct Answer� button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!