Smartphones have basically replaced most of your access and credit cards, especially in China. You can simply open the designated app on your phone to make shopping payments, unlock doors, buy tickets for transportation, and so on. Physical identity cards have also been replaced by virtual e-ID cards on your phone. And Huawei Wallet’s auto card selection makes this process extremely easy on your phone. 
Traditionally, you would have had to manually select the appropriate card while making payments or buying a ticket for transportation. But Huawei Wallet’s auto card selection feature launched alongside the Mate 30 Pro can automatically identify the appropriate card according to the situation.
All you have to do is open the Huawei Wallet app and place your smartphone close to the scanner. The Wallet app will automatically select the appropriate card at the time of use. For example, if you are at a subway station, you can simply open the Huawei Wallet app and it will automatically select your subway card to purchase a ticket. Similarly, if you are at the supermarket about to make a payment, it can automatically select one of your credit cards (already added to the app) to make the payment. In short, you don’t have to individually select the card each time you use your phone for payment or authorization.
It’s a really cool feature especially if you live in a country like China where you can practically do anything using your smartphone. However, it remains to be seen if this feature is made available internationally.
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