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When do I have to use the card’s chip to make a transaction?
When do I have to use the card’s chip to make a transaction?
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When do I have to enter the card's PIN and when do I have to sign on the phone’s screen?
When do I have to enter the card's PIN and when do I have to sign on the phone’s screen?
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What does the error message "Gateway authentication failed" mean?
What does the error message "Gateway authentication failed" mean?
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What happens when the internet connection breaks down during a transaction?
What happens when the internet connection breaks down during a transaction?
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Do you support offline transactions?
Do you support offline transactions?