Setting up your Cellesim eSIM is straightforward. After purchase, you'll receive a QR code via email. Scan this QR code with your compatible smartphone's settings to install the eSIM profile. Ensure you do this before departing for Washington D.C. to activate your data plan upon arrival.
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How do I set up my Cellesim eSIM before flying to Washington D.C.?
Updated July 22, 2026
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