Payment failed
Stop repeated binding attempts. Use cash, another card, hotel help, or a lower-risk test.
Do not debug everything at once. First recover the thing that lets you make the next move: internet, address, payment, transport, or human help.
Payment failed
Stop repeated binding attempts. Use cash, another card, hotel help, or a lower-risk test.
Internet failed
Use Wi-Fi, home roaming, provider support, or an official local SIM counter to recover access.
Train booking failed
Use Trip.com support, station counter time, alternate trains, or passport-detail correction.