To prepare your CoreESIM for Shanghai, purchase your preferred data plan online. You will receive a QR code via email. Using a compatible, unlocked device, navigate to your cellular settings and select 'Add eSIM' or 'Add Data Plan', then scan the provided QR code. This process installs the eSIM profile onto your device. Ensure you complete this step before departing, but defer enabling the data plan until you land in China to maximize your plan's validity period. CoreESIM provides precise, step-by-step instructions for each device type.
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What is the CoreESIM installation procedure for Shanghai before my arrival in China?
Updated May 30, 2026
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