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Opening procedure

What you need

  1. Opening procedure, Unfasten the back cover screws: step 1, image 1 of 1
    • Before starting repairs, take your watch off the charger and power it down.

    • Use a Tri-point Y00 driver to unfasten the four screws on the back of the watch.

    • Don’t worry about removing the screws, they will stay in place in the back cover.

  2. Opening procedure, Wedge open the back cover: step 2, image 1 of 2 Opening procedure, Wedge open the back cover: step 2, image 2 of 2
    • Insert an opening tool between the back cover and the metal housing.

    • Twist the opening tool to create a wider gap.

    • Don't fully remove the back cover just yet. The sensor flex cable is still connected to the motherboard.

  3. Opening procedure, Disconnect the sensor flex cable: step 3, image 1 of 3 Opening procedure, Disconnect the sensor flex cable: step 3, image 2 of 3 Opening procedure, Disconnect the sensor flex cable: step 3, image 3 of 3
    • Lay the watch face down.

    • Carefully lift the back cover up from the edge with the buttons to access the sensor connector.

    • Use the flat end of a spudger to pry up and disconnect the sensor flex cable from the motherboard.

  4. Opening procedure, Remove the back cover: step 4, image 1 of 2 Opening procedure, Remove the back cover: step 4, image 2 of 2
    • Remove the back cover.

    • Make sure the rubber gasket (marked red) is undamaged. If damaged replace it with a new one during reassembly to maintain proper water resistance.

Tobias Isakeit

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