Introduction
Use this guide to replace a worn-out or dead battery in your Samsung Galaxy Watch3.
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.
You’ll need replacement adhesive to reattach a new battery when reassembling the device.
What you need
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Before starting repairs, take your watch off the charger and power it down.
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Use a Tri-point Y00 driver to unfasten the four screws on the back of the watch.
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Insert an opening tool between the back cover and the metal housing.
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Twist the opening tool to create a wider gap.
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Lay the watch face down.
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Carefully lift the back cover up from the edge with the buttons to access the sensor connector.
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Use the flat end of a spudger to pry up and disconnect the sensor flex cable from the motherboard.
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Use the flat end of a spudger to disconnect the flex cables of the side buttons, the display and the hall sensor.
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The motherboard is held in place by two small plastic clips.
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Use a pair of blunt tweezers to lift the motherboard out from underneath the plastic clips towards the buttons.
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Remove the motherboard.
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Place the flat end of a supdger in the small gap between the plastic frame and the battery, opposite to the display cable.
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Carefully lever the battery up and out of its recess.
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Lift the battery up a little in order to access its glued down connector cable.
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Use a pair of blunt tweezers to lift up the battery connector which is secured with some light adhesive.
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Remove the battery.
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Team
