The SIM format is not the whole answer
An eSIM explains how the profile is installed. It does not by itself explain where data exits the network or how a provider handles familiar services.
Read the exact China plan page for routing, app-access, speed and fair-use language. Keep the source and review date with your decision.
Keep a fallback ready
If the route matters to your trip, choose terms you can verify and keep a second way to navigate or contact someone.
- Confirm whether hotspot traffic follows the same route.
- Save provider support details offline.
- Test one essential service after activation.
- Do not treat a marketing claim as a permanent guarantee.