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Use this guide to replace a worn-out or dead battery in your Galaxy Watch.

If your battery is swollen, take appropriate precautions. For your safety, discharge your battery below 25% before disassembling your smartwatch. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair.

  1. Remove the four Tri-point #00 screws (4.2 mm length) on the backside of the watch.
    • Remove the four Tri-point #00 screws (4.2 mm length) on the backside of the watch.

  2. Use an opening tool to get between the back cover and the metal housing of the watch. Carefully pry the plastic back cover open.
    • Use an opening tool to get between the back cover and the metal housing of the watch.

    • Carefully pry the plastic back cover open.

    • Don't remove the back cover yet. There is a flex cable running to the core assembly inside.

  3. Lay down the watch and lift the back cover to access the sensor connector on the motherboard. Lay down the watch and lift the back cover to access the sensor connector on the motherboard.
    • Lay down the watch and lift the back cover to access the sensor connector on the motherboard.

  4. Use a spudger to disconnect the sensor flex cable from the motherboard. Use a spudger to disconnect the sensor flex cable from the motherboard.
    • Use a spudger to disconnect the sensor flex cable from the motherboard.

  5. Remove the back cover. When closing the watch make sure the rubber gasket is undamaged or replace it with a new one. When closing the watch make sure the rubber gasket is undamaged or replace it with a new one.
    • Remove the back cover.

    • When closing the watch make sure the rubber gasket is undamaged or replace it with a new one.

  6. Use a spudger to disconnect the display flex cable from the motherboard. Use a spudger to disconnect the display flex cable from the motherboard.
    • Use a spudger to disconnect the display flex cable from the motherboard.

  7. Lift the core unit out of the housing. The core's plastic frame sits tight inside the housing.
    • Lift the core unit out of the housing.

    • The core's plastic frame sits tight inside the housing.

    • Carefully thread the display flex cable through the gap of the core's plastic frame.

  8. Use a spudger to disconnect the hall sensor flex cable. Use a spudger to disconnect the hall sensor flex cable.
    • Use a spudger to disconnect the hall sensor flex cable.

  9. Use a pair of tweezers to gently peel both button cables from the plastic frame. Use a pair of tweezers to gently peel both button cables from the plastic frame. Use a pair of tweezers to gently peel both button cables from the plastic frame.
    • Use a pair of tweezers to gently peel both button cables from the plastic frame.

  10. Remove the single Phillips #00 screw (3.4 mm length).
    • Remove the single Phillips #00 screw (3.4 mm length).

  11. Insert a spudger into the small gap underneath the motherboard where the cutout in the plastic frame is. Lift the motherboard by twisting the spudger.
    • Insert a spudger into the small gap underneath the motherboard where the cutout in the plastic frame is.

    • Lift the motherboard by twisting the spudger.

  12. Remove the motherboard.
    • Remove the motherboard.

  13. Push the battery out of its recess through the cutout in the plastic frame. The battery cable may slightly stick to the plastic frame—pull carefully. Remove the battery.
    • Push the battery out of its recess through the cutout in the plastic frame.

    • The battery cable may slightly stick to the plastic frame—pull carefully.

    • Remove the battery.

결론

If possible, turn on your device and test your repair before installing new adhesive and resealing.

Secure the new battery with pre-cut adhesive or double-sided adhesive tape. In order to position it correctly, apply the new adhesive into the device at the places where the old adhesive was located, not directly onto the battery.

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

For optimal performance, calibrate your newly installed battery: Charge it to 100% and keep charging it for at least 2 more hours. Then use your device until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

Take your e-waste to an R2 or e-Stewards certified recycler.

다른 47명이 해당 안내서를 완성하였습니다.

Tobias Isakeit

회원 가입일: 2014년 03월 31일

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안내서 150개 작성하였습니다

iFixit iFixit 회원

Community

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안내서 14,619개 작성하였습니다

thank you,it really help alot

Otunla oluwashina - 답글

Where can I buy the battery?

Buzz Burrows - 답글

Where can you buy the battery 42mm version?

Thomas - 답글

We hope to have them in our store soon. Check on our Samsung smartwatch parts over at https://www.ifixit.com/Store/Parts/Samsu...

Tobias Isakeit -

How much does this cost for a battery and labor

Audrey Snit - 답글

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