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This is usually an issue with the Firmware, so I would first like you to do this please.
Remove the charger from the watch and hold the power button to off for 60 seconds.
Release, then connect the charger and try to turn on the watch.
Let me know the results please
It is the internal mainboard that has faulted. This confirms it
I am really sorry about this and you are going to have to return the watch to the place of purchase to have it replaced. It will be covered by the warranty if this has not expired, and the replacement will be done at no cost to you.
I am really sorry about this, and if you have problems, or would like any additional information or assistance, please do not hesitate to let me know.
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