In order to better understand your question, please indicate the following necessary information when sending the email (* is required):

*1.The Bluetooth name, firmware version, ID, and APP version of the watch, you can also directly take a screenshot of the "Check for Upgrade" interface.

*2.Mobile phone system (Android /iOS)

3.Mobile phone system version

*4.Problem description (as detailed as possible), whether it is sporadic or reproducible