The units on my vivo active keeps changing back to miles when I set it to km. It's very annoying.
The units on my vivo active keeps changing back to miles when I set it to km. It's very annoying.
There are a number of places to check.
Web Connect will overwrite anything in Mobile. Mobile will have priority over what is on a watch. When you sync, settings will be changed accordingly.
I suggest you check your profile settings and device settings on the web, then check your Mobile app, then the device. I'm sure you'll find the reason and solution there.