Privacy Choices

Your privacy choices and data deletion options

Use these options to manage uploaded videos, request deletion, contact support, or revoke iOS permissions.

Delete uploaded videos

  1. Open Badminton Speed Meter.
  2. Go to the History screen.
  3. Select the uploaded video or analysis record.
  4. Use the delete option and confirm deletion.

Request data deletion

If you cannot delete an item in the app, or if you want to request deletion of data associated with your app session, email zhiwudawang@outlook.com. Include enough detail to identify the upload or issue, but do not send sensitive information unless it is necessary for the request.

Contact support or privacy

For support, privacy questions, or deletion requests, contact zhiwudawang@outlook.com.

Revoke iOS permissions

You can revoke camera or photo permissions in iOS Settings. Open Settings, find Badminton Speed Meter, then change Camera or Photos access. Some app features may stop working until permission is granted again.