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Tools Featured in this Teardown

This teardown is not a repair guide. To repair your Charge 3, use our service manual.

  1. Remove both T3 screws Slide off the plastic piece by lifting out and then up Slide plastic and spring assembly off the rail
    • Remove both T3 screws

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

    • Slide plastic and spring assembly off the rail

  2. 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
    • 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

  3. This is how close those cables get to the edge underneath the Fitbit wording so be careful
    • This is how close those cables get to the edge underneath the Fitbit wording so be careful

  4. Lift display up gently The battery is attached with a little bit of adhesive so lift gently Remove battery connector
    • Lift display up gently

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

    • Remove battery connector

  5. Remove both T2 screws Liftoff metal shield
    • Remove both T2 screws

    • Liftoff metal shield

  6. Remove two T2 screws Remove T3 screw Liftoff metal shield
    • Remove two T2 screws

    • Remove T3 screw

    • Liftoff metal shield

  7. Liftoff both display connectors Liftoff both display connectors Liftoff both display connectors
    • Liftoff both display connectors

  8. Disconnect vibrator motor Disconnect heartrate and charging connector
    • Disconnect vibrator motor

    • Disconnect heartrate and charging connector

    • Remove altimeter

  9. Remove button assembly from case Remove vibrator motor Has a slight bit of adhesive and is magnetic to the case
    • Remove button assembly from case

    • Remove vibrator motor

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

  10. 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
    • 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

Mathieu Mongeau

Member since: 08/21/2019

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