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Opening the Galaxy Watch3

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  1. Opening the Galaxy Watch3, Unfasten the back cover screws: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • 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 the Galaxy Watch3, Wedge open the back cover: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Opening the Galaxy Watch3, Wedge open the back cover: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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 the Galaxy Watch3, Disconnect the sensor flex cable: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Opening the Galaxy Watch3, Disconnect the sensor flex cable: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Opening the Galaxy Watch3, Disconnect the sensor flex cable: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • 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 the Galaxy Watch3, Remove the back cover: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Opening the Galaxy Watch3, Remove the back cover: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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.

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

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Tobias Isakeit

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Community

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crwdns2944067:03crwdne2944067:0

where can I get the galaxy watch3 rubber gasket?

regards

Miguel Vera - crwdns2934203:0crwdne2934203:0

That’s a good question. As for the previous models it is very hard to find those rubber gaskets. Using a “liquid rubber gasket” might be one solution to that. (Use carefully to not spill too much on and into the watch)

Tobias Isakeit -

I tried to remove all of the screws from the back cover, but 3 of the 4 screws remained and seemed to be fused to the main base of the watch. One of the screws was stripped. Now only 1 screw is engaged with the back cover. (I might need to replace the back cover. My watch is glitching which is draining the battery. I would like to fix the problems myself. Where can I get specific advice?

Antoinette - crwdns2934203:0crwdne2934203:0

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