Steps To Change a Galaxy Watch band
Here’s a general guide For you
Locate the small pin located near where the strap meets the watch body.
Insert a pin
and push down until it pops out on the other side of the band.
Now Gently Remove the strap form it.
Take your new band and loop one end through the hole closest.
Insert the pin into the hole on the new strap.
You are done with one end
Repeat the same for next.