In this guide we will be taking the smart watch out of its housing to remove its screen in order to reach the interior components. This process will only require a small tool with a flat edge.
Detach the smart watch from the band by pushing on the back of the watch housing.
Use a plastic opening tool to carefully pry the LCD screen from the watch housing.
Use a plastic opening tool or spudger to lift the screen assembly press-fit connector free.
Set aside the detached LCD screen to access the battery.