two-dimensional barcode
什么是 QR code?
A square barcode that encodes a small amount of text — for eSIM activation, it encodes an LPA string. Your phone's camera reads the QR and extracts the activation profile.
如何 QR code travel.to 的物质吗?
travel.to delivers your eSIM as a QR code in the welcome email after payment. The image is also attached as a PNG you can save. Most modern phones can scan the QR directly from another screen — no printer needed.
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