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Charge 3 Disassembly

What you need

    1. Charge 3 Disassembly, Strap Connectors: step 1, image 1 of 3 Charge 3 Disassembly, Strap Connectors: step 1, image 2 of 3 Charge 3 Disassembly, Strap Connectors: step 1, image 3 of 3
      • Remove both T3 screws

      • Slide off the plastic piece by lifting out and then up

      • Slide plastic and spring assembly off the rail

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    2. Charge 3 Disassembly, Display: step 2, image 1 of 3 Charge 3 Disassembly, Display: step 2, image 2 of 3 Charge 3 Disassembly, Display: step 2, image 3 of 3
      • Heat the glass screen with a blowdryer to soften the adhesives

      • Start the next step on the opposite side of the Fitbit wording below the glass. This is due to the display cables being located there

      • Insert a razor blade between the glass and the body

      • Keep going around the rim of the display until loose

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    3. Charge 3 Disassembly, Cable Warning: step 3, image 1 of 1
      • This is how close those cables get to the edge underneath the Fitbit wording so be careful

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    4. Charge 3 Disassembly, Battery: step 4, image 1 of 3 Charge 3 Disassembly, Battery: step 4, image 2 of 3 Charge 3 Disassembly, Battery: step 4, image 3 of 3
      • Lift display up gently

      • The battery is attached with a little bit of adhesive so lift gently

      • Remove battery connector

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    5. Charge 3 Disassembly, Vibrator Shield: step 5, image 1 of 2 Charge 3 Disassembly, Vibrator Shield: step 5, image 2 of 2
      • Remove both T2 screws

      • Liftoff metal shield

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    6. Charge 3 Disassembly, Main Shield: step 6, image 1 of 3 Charge 3 Disassembly, Main Shield: step 6, image 2 of 3 Charge 3 Disassembly, Main Shield: step 6, image 3 of 3
      • Remove two T2 screws

      • Remove T3 screw

      • Liftoff metal shield

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    7. Charge 3 Disassembly, Display Connectors: step 7, image 1 of 3 Charge 3 Disassembly, Display Connectors: step 7, image 2 of 3 Charge 3 Disassembly, Display Connectors: step 7, image 3 of 3
      • Liftoff both display connectors

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    8. Charge 3 Disassembly, Disconnect Connectors and Altimeter: step 8, image 1 of 2 Charge 3 Disassembly, Disconnect Connectors and Altimeter: step 8, image 2 of 2
      • Disconnect vibrator motor

      • Disconnect heartrate and charging connector

      • Remove altimeter

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    9. Charge 3 Disassembly, Side Button and Vibrator: step 9, image 1 of 3 Charge 3 Disassembly, Side Button and Vibrator: step 9, image 2 of 3 Charge 3 Disassembly, Side Button and Vibrator: step 9, image 3 of 3
      • Remove button assembly from case

      • Remove vibrator motor

      • Has a slight bit of adhesive and is magnetic to the case

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    10. Charge 3 Disassembly, Motherboard: step 10, image 1 of 2 Charge 3 Disassembly, Motherboard: step 10, image 2 of 2
      • Remove motherboard

      • It seems as if the heart rate sensor and charging pins are molded into the case, and I was not able to remove them

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Finish Line

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4 other people completed this guide.

ShellingRook27

Member since: 08/21/19

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12 Guide Comments

The tear down pictures are great, but in my Charge 3 I needed a T-1 and a T-2 driver

Julien Baldwin - Reply Share

Same, my ifixit pro kit only had a driver for the external screws and did not come with a small enough driver to remove the screws inside the charge 3 unit. I'll need to get the smaller bit from a different kit.

Brian Hall - Reply Share

Which step in the teardown guide needed the T1 driver?

ShellingRook27 - Reply Share

Great job on this tear-down. Thank you, it really helped in my screen replacement.

AndyZ - Reply Share

This tear down was very easy to follow. The heart rate monitor was also sealed in with some adhesive for me too but a little heat gun took it right off. I had suspected water leaked in and that in fact was the culprit after inspecting the connection. corrosion all around the HR monitor.

Nick Herbert - Reply Share

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