Guide with all the steps necessary for you to change the components of the Apple Watch 4 (A1977) yourself.
We apply heat to the screen with a hot air gun, and with the help of a fine tine we will make a hole to introduce a plastic spike so as not to scratch the screen. With the help of flat tweezers we will remove the adhesive that is on top of the connectors, and with a flat tool we will disconnect them. Remove the Triwing screws (Y0.6), and disconnect the connect the force touch sensor that is attached to the screen.