Chosen Solution

While on vacation, the back cover fell off of my Samsung Watch Active (SM-500) and I couldn’t find it to put it back on. I’ve been trying to find a replacement back/glass/sensor, but I can only find them for newer models! Help? The back looks like a plus sign.

you can,t get the parts from samsung but you may get it on online only I will give link https://www.ebay.com/itm/334042295887 i am recommending from here