No signal does not mean no payment.
“My eSIM ran out and I cannot open the payment code.”
What to do now
Try these in order. Stop as soon as one works.
-
Switch to cash
Notes need no signal. Keep a small reserve for exactly this situation.
About 1 min -
Find a stable Wi-Fi point
Hotel lobbies, chain cafes, and airports usually have Wi-Fi. Open the payment app while connected.
About 3 min -
Check your eSIM or roaming setting
Turn data roaming on and confirm the travel eSIM is the active line.
About 2 min
Why this happens
Ranked by how often it is the cause.
Your data plan is used up or the eSIM is not active.
Check the data balance in your eSIM app.
Likelihood: high
The payment app needs a fresh login or verification.
Connect to hotel Wi-Fi and open the app once.
Likelihood: medium
The merchant's QR terminal is offline.
Ask whether they can take cash.
Likelihood: medium
If that does not work
Get out of the queue first. Solve the payment later.
- Pay cash for the ride or ticket
Street taxis and ticket counters accept notes.
- Charge it to your hotel room
The bill is settled later over hotel Wi-Fi.
- Use a physical card where accepted
No app and no data required.
Setup guide: Cash and ATMs in China for Tourists: Fees and Limits At this place: Paying at a Convenience Store in China as a Foreigner
Related problems
Independent guide. Not affiliated with any telecom, Alipay, WeChat Pay, or card network. Rules checked 2026-10-26 (version 2026-10). Found a different error message? Send it to us.