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Polar M400 Watch micro-USB connector Replacement

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Connect the flex PCB back to the main board.

Reassemble the watch stopping before screwing the lid back.

Add hot glue to the base of the USB connector filling the watch case's cavity. Be careful not to put hot glue inside the connector.

While the glue is still hot, put the red rubber seal back on top.

Screw the lid back.

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