Setting up your Cellesim eSIM is simple: purchase your desired San Francisco data plan online. You'll receive a QR code via email. Scan this QR code with your compatible smartphone's camera or enter the details manually in your device's settings. Install the eSIM profile before you depart, and it will automatically connect to a local network upon arrival in San Francisco.
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What's the setup process for a Cellesim eSIM before arriving in San Francisco?
Updated May 30, 2026
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