Core Assembly Removal

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 a spudger to disconnect the display assembly and the microphone and pressure sensor array.

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

Insert an opening pick at the bottom right between the motherboard and the frame to lift up the core assembly.

Lift out and remove the core assembly.