Samsung's Galaxy Watch Active made its debut at the company's huge February event, and today it's starting to receive its first ever firmware update. The new version has the build number R500XXU1BSD3 / R500OXA1BSD3, and arrives as a 13.83MB download. That size tells you this isn't a major update, but it will apparently improve the battery charging algorithm for the watch. That means you should probably grab it as soon as possible. After installing the new release, the Galaxy Watch Active will still run Tizen 4.0.0.3. The update is currently rolling out in the US, and it's expected...