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Introduction

Use this guide to remove the back cover of the Samsung Galaxy Watch3.

  1. Before starting repairs, take your watch off the charger and power it down.
    • 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. Insert an opening tool between the back cover and the metal housing. Twist the opening tool to create a wider gap.
    • 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. 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.
    • 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. 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.
    • 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.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Tobias Isakeit

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