Your WestESIM plan's validity period commences precisely when it registers with a supported network at your destination. You have the flexibility to install the eSIM profile on your device before you depart, perhaps while still at home or during your flight. The countdown for your plan duration only starts from the moment your device connects to the local network, for instance, upon arrival at Paris Charles de Gaulle Airport or crossing into Mexico. This design ensures you receive the full benefit of your purchased data plan during your active travel.
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When does my WestESIM plan's activation period begin?
Updated April 22, 2026
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