How to Change Cell of Samsung Galaxy Watch4 Classic

Changing the battery (cell) of a Samsung Galaxy Watch4 Classic is a complex procedure that requires specialized tools and skills. If you’re not experienced with electronics repairs, it’s strongly recommended to seek professional help from a certified Samsung repair center or a qualified technician. Opening and attempting to replace the battery yourself can void your warranty and risk damaging your device.

However, if you have the necessary tools, skills, and replacement parts, here’s a general outline of how you might go about changing the battery in a Samsung Galaxy Watch4 Classic:

Also Read: Samsung Galaxy M13 Backlight Change

Note: This guide is for informational purposes only, and I assume no responsibility for any damage or voided warranties that may occur as a result of attempting this repair.

Tools and materials you’ll need:

  1. Replacement battery for Samsung Galaxy Watch4 Classic.
  2. Precision screwdriver set.
  3. Plastic opening tools or case opening tool.
  4. Heat gun or hairdryer.
  5. Adhesive tape.
  6. A clean, dust-free workspace.


  1. Prepare your workspace:
    Ensure you’re working in a clean and well-lit area to prevent dust and debris from getting inside the watch during the repair.
  2. Power off the watch:
    Turn off your Samsung Galaxy Watch4 Classic and ensure it’s disconnected from any charging source.
  3. Heat the watch:
    Use a heat gun or hairdryer to gently heat the edges of the watch. This will soften the adhesive that holds the watch’s components together. Be careful not to overheat it or damage other components.
  4. Remove the back cover:
    Using a case opening tool or a plastic opening tool, carefully pry off the back cover of the watch. Be gentle and work your way around the edges to avoid damaging the watch’s casing.
  5. Disconnect the battery:
    Once you have access to the watch’s internals, carefully disconnect the battery to ensure there’s no power running through the device.
  6. Locate and replace the battery:
    Locate the old battery within the watch. Gently remove it and replace it with the new battery, making sure to connect it properly.
  7. Reconnect the battery:
    Reconnect the battery to the watch.
  8. Reattach the back cover:
    Carefully snap the back cover back into place.
  9. Test the watch:
    Power on the watch and check if it turns on and functions correctly.
  10. Final check:
    Inspect the watch for any dust or debris between the components or under the back cover. If necessary, repeat the process to remove any contaminants.

Again, please be aware that this is a complex repair, and if you’re not comfortable with it, seeking professional assistance is advisable. Additionally, make sure you have the right replacement parts and tools before starting the repair, and be cautious throughout the process to avoid damaging your device.

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