You can conveniently install your WestESIM profile on your device before you begin your journey. The validity of your data plan commences only upon your arrival in the first covered country (or when your ship docks at a port) and establishes a connection with a local network. This flexibility allows you to prepare your WestESIM in advance, ensuring you have immediate, reliable connectivity whether you land in Miami, Cancun, or Rio de Janeiro.
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When is the ideal time to activate my WestESIM for Americas and Caribbean?
Updated April 22, 2026
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