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Firefox for iPhone Rolls Out 'Shake to Summarize' Using Apple Intelligence

On iPhone 15 Pro running iOS 26, summaries are generated on device via Apple Intelligence.

Overview

  • The feature begins rolling out in the United States this week with support limited to English.
  • Users can trigger a summary by shaking the phone, tapping the thunderbolt icon in the address bar, or choosing the “Summarize page” menu option.
  • Eligible devices create summaries locally, while older iPhones send page text to Mozilla’s cloud AI for processing.
  • The tool supports webpages up to 5,000 words in length, and users can disable the shake gesture to avoid accidental activation.
  • Mozilla plans to expand availability, add more languages, and bring the capability to Android, with no timelines announced.