China Mobile, China Unicom and China Telecom blanket cities and high-speed rail corridors on 4G and 5G; western Tibet routes, remote Gobi stretches and some mountain scenic areas thin out. Metro systems in major cities usually have underground coverage on at least one carrier. When you use NXTL in China, your phone attaches to local networks such as China Telecom, China Unicom, China Mobile; the live table on this page is the current list.
Foreign visitors can buy prepaid SIMs at airport counters and carrier shops with passport registration; real-name rules apply and staff often help install apps. Some travellers use Hong Kong or travel eSIMs that roam on mainland networks instead. NXTL is the lower-friction option for most visitors to China. You are not shopping for a SIM in Shanghai after a long flight — the eSIM is already on your phone, billed pay-as-you-go, with credit that carries to your next destination.
Setup takes minutes at home. For China, install NXTL while you still have reliable Wi-Fi, keep your home line active for calls and bank texts, and switch on eSIM data when you land (for example via Shanghai Pudong (PVG)) so you can navigate straight to Shanghai. Top up later if you need more; unused balance stays yours.
The reason travellers choose NXTL for China — and for trips that do not stop there — is continuity. One eSIM, pay-as-you-go pricing, no expiry, and no new SIM when you leave Shanghai for the next country. Your leftover credit is still waiting.
The Great Firewall blocks many global apps unless you prepare alternatives, so connectivity planning is as much about software as signal bars. That is where NXTL helps in China: one eSIM ready before you arrive, billed only for the data you actually use.