Samsung Watch Active Motherboard Replacement

Turn off the Galaxy Watch Active by pushing and holding the bottom button for approximately 3 seconds. You should feel a short vibration.

When the "Power off" symbol appears tap the center of the screen to make it shut down. You should feel a longer vibration for confirmation.

Use a Tri-point Y00 screwdriver to remove the four 4 mm-long screws on the back of the watch.

Use an opening tool and place it between the plastic back cover and the metal housing near the buttons.

Push the tip of the opening tool into the gap to separate the back cover from the housing.

Carefully lift the back cover approximately 2 cm to access the sensor array connector near the two buttons.

Use a spudger to disconnect the sensor array from the motherboard.

Remove the back cover.

Use the flat end of a spudger to disconnect the display assembly, the microphone and pressure sensor array, and side button.

Use an opening pick to peel back the thin tape belonging to the microphone array.

Use a Phillips screwdriver to remove the 4.4 mm-long screw holding the motherboard in place.

Use an opening pick to loosen the motherboard from the core assembly.

Slide the motherboard out from under the plastic tab to remove it.