Are you tap and holding on the row of numbers, the hit area is quite tight around the numbers so a little too high or low on the card and it won’t work. Basically just tap an hold any white 16 long card number and no hot coral. Does that work? 
Are you tap and holding on the row of numbers, the hit area is quite tight around the numbers so a little too high or low on the card and it won’t work. Basically just tap an hold any white 16 long card number and no hot coral. Does that work?