Click the ellipsis 
icon to access the More menu, choose Settings, and then select Advanced.
Adjust settings for:
-
Enable or Disable Face Detection
-
Restrict Face Detection on Battery
-
Enable or Disable Auto-Tagging
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Face Recognition Proposals
-
Minimum Batch Size for Batch Face Tagging
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Keyboard Shortcuts for Face Tagging
Learn More: https://manual.mylio.com/topic/customize-face-detection-settings