My watch has been doing software updates every single day multiple times a day. This can't be normal. Please assist.

Same problem for me. Request for update several times a day, yet everything works correctly, no sensor issues. The only solution I found is to disable automatic updates. The watch no longer asks for anything and connected to my mac, Express indicates that it is up to date.

Connect watch to a computer, open the watch's files, find the GARMIN directory/folder, and delete the RemoteSW directory/folder inside. Disconnect watch from the computer.

I tried but without result. I also reset the watch, no better.

Have you tried the Reinstall Software option in the hidden Support menu?

System → About, then press the Light button (top left) eight times.

Yes, no better result. 

Hey :) did you find a solution yet? I have the same issues. Also swim recording is extremely faulty and no heart rate tracking during runs. I got it as a replacement and unfortunately the guarantee is only 30 days in that case. So I would be extremely happy to fix this :)

I did not :(.I was also past the thirty days but decided to reach back out to Garmin anyways. They didn't make any fuss about it having been past thirty days though and sent me a replacement. 

I'll add that the replacement came with a defective screen  which they sent another replacement. So I've been through four watches now lol. Annoying but I appreciate that they are replacing.

My watch was doing this for a couple of weeks, it was really confusing, I assumed maybe the updates were failing and I just needed to retry until it succeeded. But eventually something did change: The heart rate monitor and step counter stopped working, and now the software versions are BMX: 0.0.0(!), WHR: 0.00.00. So now I just don't have a functional watch! Scouring these forums for solutions...

Have you tried the hidden reinstall software option?

System → About

then press the Light button 8 times.