1. Unscrew the four 3.4 mm flat head screws
    • Unscrew the four 3.4 mm flat head screws

  2. Carefully lift the back plate off the watch. You will notice a lithium battery and rubber gasket attached to the back plate.
    • Carefully lift the back plate off the watch. You will notice a lithium battery and rubber gasket attached to the back plate.

    • If not replacing lithium battery, skip down two steps.

    • Using the plastic removal tool, pry the battery from the backing plate. The battery is simply attached with glue.

    • Desolder the battery connections from the motherboard. Learn how to solder components here!

    • Use PH00 screw driver to remove two 2.4mm Phillips head screws.

    • Use a spudger or tweezers to remove a white sticker that covers a Phillips head screw.

    • Use PH00 screwdriver to remove 5.2mm Phillips head screw

    • Use ESD safe tweezers to remove the gold ribbon cable.

    • This will expose a second 5.2mm Phillips head screw that can be removed with a PH00 screwdriver.

    • Use a spudger to gently pry on the motherboard towards the top of the watch, being towards the 12 o'clock position to loosen the motherboard.

    • You can now access the parts and pieces on the bottom of, and below the motherboard.

    • Locate the four main soldering points marked in red.

    • Be aware of the five additional soldered pins marked by the blue arrow.

    • Begin to desolder the points pointed out in the last step.

    • Use the soldering wick to help remove the solder.

Conclusion

To reassemble your device, follow these instructions in reverse order.

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Michael Miller

Member since: 10/24/2016

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IUPUI, Team 3-3, Baechle Fall 2016 Member of IUPUI, Team 3-3, Baechle Fall 2016

IUPUI-BAECHLE-F16S3G3

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One Comment

I want to know that what I have to do if want to replace the lithium battery with usb direct powered device.

amupis232389 - Reply

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