Select the TapCash menu.
Make sure the NFC on your smartphone is active, then paste the TapCash BNI card into your smartphone's NFC
Determine your top up nominal and enter the tap cash card number, and click "continue"
Payment confirmation appears, click "Top Up" if the info is correct
Update your TapCash BNI balance by selecting the word "here" on the receipt
You can also update your balance by selecting the “update balance” menu on the TapCash page
Put your TapCash BNI card on the NFC of your smartphone and your balance will be updated automatically