3 ms·The problem is requiring a smartphone in the first placeby zekrioca 3y agoThe problem is requiring a smartphone in the first placebluepnume 3y agoAssuming you've linked a card in the past, or you have a basic browser of any kind to link one, our thing does not require a smart phone. Just SMS.zekrioca 3y agoUnless I’m missing something, one still needs to scan the QR code though. That’s a smartphone feature.