Your foreign SIM shows signal bars but mobile data does not work, or you got an SMS saying "no data roaming agreement.
Your home carrier has no China roaming agreement, or data roaming is disabled on your line; even with signal, your line is data-blocked at the home network.
Buy a China Unicom or China Mobile tourist eSIM / prepaid SIM at the airport, or enable a paid daily-roaming travel pass with your home carrier before landing.
If this guide did not fix it, our editors answer every email personally — usually within 12 hours. Tell us your model, provider, and what you have already tried.
L-visa rejected, how to reapply, and when 240-hour transit saves the trip.
"Bank rejected" fix, backup methods, Tour Pass stopping mid-trip.
Why bookings get canceled on arrival and last-minute alternatives.
Refunds from Viator, Klook, GYG, and what to do the morning of.
The questions we get most often by email, with short answers. If yours is not here, write to shike13@gmail.com.
Yes — about 14% of first-time visitors hit this in their first week. Most cases are fixable in under 10 minutes with the steps above.
Yes, from every major provider. Open a support chat with your order number and a screenshot. Refunds typically land in 3-7 business days.
Not yet. Most cases are configuration issues, not app issues. Walk through the 30-minute fixes first; only switch if those fail.
Hotel front desk. They have walkie-talkies to night staff, can call a local provider, and may lend a phone. This is exactly the case they staff for.
Usually not — bookings on platforms are independent of the app you use to view them. But keep screenshots and order numbers as backup.
If the same app works on someone else's phone in the same location, it is a configuration issue on your device. If it fails on every device, it is a network-side issue.
