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Fitbit Blaze Battery Replacement

What you need

  1. Fitbit Blaze Battery Replacement, Wristband: step 1, image 1 of 2 Fitbit Blaze Battery Replacement, Wristband: step 1, image 2 of 2
    • Locate the front LCD screen on your device.

    • Fitbit logo should appear in the bottom center of the screen.

  2. Fitbit Blaze Battery Replacement: step 2, image 1 of 1
    • Push the screen out through the back of the metal ring enclosure.

    • Use a small amount of force on screen to prevent damage. Use other hand to catch screen.

  3. Fitbit Blaze Battery Replacement: step 3, image 1 of 3 Fitbit Blaze Battery Replacement: step 3, image 2 of 3 Fitbit Blaze Battery Replacement: step 3, image 3 of 3
    • Locate the metal pin behind the wristband located on the edge of metal ring.

    • Insert the pointed end of the metal spudger into the pin hold and push it into the blue rectangle enclosure.

    • Use a small amount of force to avoid damaging the pins.

    • Remove wristband.

  4. Fitbit Blaze Battery Replacement, Battery: step 4, image 1 of 3 Fitbit Blaze Battery Replacement, Battery: step 4, image 2 of 3 Fitbit Blaze Battery Replacement, Battery: step 4, image 3 of 3
    • Place device screen face down and locate the four screws attaching the back cover.

    • Use a T3 torx head or T3 torx screwdriver to remove the four screws.

  5. Fitbit Blaze Battery Replacement: step 5, image 1 of 3 Fitbit Blaze Battery Replacement: step 5, image 2 of 3 Fitbit Blaze Battery Replacement: step 5, image 3 of 3
    • Grab the back, lift and open like a book to expose the motherboard. Locate the ribbon connector on the left.

    • Use a plastic spudger tool on the ribbon connected from the heart rate monitor to the motherboard.

    • Insert and lift the plastic opening tool to release the ribbon.

    • Only a small force when lifting the plastic connector is needed to avoid damage.

  6. Fitbit Blaze Battery Replacement: step 6, image 1 of 3 Fitbit Blaze Battery Replacement: step 6, image 2 of 3 Fitbit Blaze Battery Replacement: step 6, image 3 of 3
    • Separate the back and set aside, locate the three screws attaching the motherboard.

    • Use a PH000 head or a PH000 screwdriver to remove the three screws.

  7. Fitbit Blaze Battery Replacement: step 7, image 1 of 3 Fitbit Blaze Battery Replacement: step 7, image 2 of 3 Fitbit Blaze Battery Replacement: step 7, image 3 of 3
    • Use a plastic spudger tool on the ribbons connected to the motherboard.

    • Insert the tool under the ribbon and lift to release the connection.

    • Only a small force when lifting the plastic connector is needed to avoid damage.

  8. Fitbit Blaze Battery Replacement: step 8, image 1 of 3 Fitbit Blaze Battery Replacement: step 8, image 2 of 3 Fitbit Blaze Battery Replacement: step 8, image 3 of 3
    • Lift and push the motherboard to the side to uncover the 167mAh battery.

    • Use a plastic spudger tool to pry out the battery from its adhesive plastic underneath.

    • Lift up and pull downward to remove battery. Switch to the top portion of the battery and push downward to pry out battery.

  9. Fitbit Blaze Battery Replacement: step 9, image 1 of 3 Fitbit Blaze Battery Replacement: step 9, image 2 of 3 Fitbit Blaze Battery Replacement: step 9, image 3 of 3
    • Flip the motherboard backwards and locate the metal pins from the battery soldered to the board.

    • Desolder the connection to remove the battery, desolder the battery connector itself if desired as well.

    • Follow this guide on how to solder and desolder connectors Soldering Guide

    • Excessive heat will damage the components, so do not apply the soldering iron to the component for long amounts of time.

Adrian Borrego

Member since: 02/20/17

2,242 Reputation

5 Guides authored

Team

USF Tampa, Team S3-G3, Sullivan Spring 2017 Member of USF Tampa, Team S3-G3, Sullivan Spring 2017

USFT-SULLIVAN-S17S3G3

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