At the counter, scan, fail. Stay calm, switch apps, or pay cash — most times it is a one-tap retry.
At the counter, a fail is usually one retry away.
If you are at the counter, scan the code, and the payment fails, it is usually transient:
A failed checkout is often a brief network hiccup, a per-transaction risk check, or one app's temporary reject. It rarely means the card is dead.
Every case shows the diagnosis and the first step - free. The full step-by-step fix for this exact case, the decision tree, and the offline kit are $9.99.
When checkout fails repeatedly, the kit gives the cashier phrase and next steps.
Exactly what to say so the line does not stall.
Which failure at checkout means retry vs. which means switch vs. which means cash.
The phrase and tree as a printable card for the counter.
If every method fails at the register:
Most travellers know about three of these before they fly. This one is often not one of them.