Thanks for reaching out. This forum is for support of US products and customers. As your watch is a non-US model and support for these models is very limited, please seek a support team for your area. You can do so by using this link: https://www.samsung.com/us/common/visitlocationsite.html
You can also contact our specialized team for ECG features at 1-855-795-0509 (option #6) , Monday Thru Friday 9am-6pm EST, or email email@example.com.
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