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Search the China systems that confuse visitors first.
Search source-checked answers for the China systems that trip up foreign visitors first: entry, payments, blocked apps, maps, SIM cards, trains, hotels, and everyday setup.
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Do I need a VPN in China?
Maybe. Local mainland networks block many foreign services, while some roaming or travel eSIM routes keep them reachable without an extra VPN.
Should I use eSIM or roaming in China?
For short trips, travel eSIM or roaming is usually easiest. Choose a local SIM only if you need a mainland number or long-term local service.
What apps are blocked in China?
Many Google, Meta, and other foreign services are unreliable on mainland networks; actual access depends on SIM, Wi-Fi, roaming, or eSIM routing.
Do I need a China phone number for Alipay?
No for basic tourist use. Overseas visitors can usually link foreign cards to Alipay, though a mainland number can help in edge cases.
Is Google Maps usable in China?
Not as your only map. Local apps usually have better China listings, transit detail, entrances, pickup points, and Chinese-address search.