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

where to buy this battery?

Roy Caño - Reply

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.

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  • 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.

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

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

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

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  • Use PH00 screwdriver to remove 5.2mm Phillips head screw

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  • 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.

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  • 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.

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  • Locate the four main soldering points marked in red.

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

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

  • Use the soldering wick to help remove the solder.

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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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2 Guides authored

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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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