How to blacklist Mi Tu watches?

The steps to establish a blacklist on Tu Ami Watch are as follows:

1. Log in to the APP of Mi Tu Watch and enter "Settings".

2. Enter the "Family Safety" interface.

3. Click "Blacklist", enter the phone number to be blacked out, and click "OK".

4. Click "Edit" to add or delete the phone number in the "blacklist", blacklist or cancel the blacklist.

5. Finally, click "Save" to complete the blacklist pulling operation.