While some cafes and public spaces in San Francisco offer Wi-Fi, it's often unsecured, slow, or inconsistent, especially when you're out exploring neighborhoods like the Mission District or Haight-Ashbury. An eSIM provides secure, private, and always-on connectivity, crucial for real-time navigation, booking transit, and maintaining communication without relying on spotty public hotspots.
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Is public Wi-Fi reliable enough in San Francisco, or do I need an eSIM?
Updated May 30, 2026
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