The QR code stays valid for 30 days, so about one week before departure is ideal. Buying much earlier risks the code expiring before you travel.
Coverage is nationwide, including Beijing, Shanghai, Guangzhou and Shenzhen. The plan runs on the local network.
Yes. The eSIM is an additional data profile, so your physical SIM stays in the phone. Switch mobile data back to it when you get home.
Popular destinations
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