General technical support of Samsung Pay
You may find general technical support enquiries of Samsung Pay.
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Magnetic Secure Transmission™ or MST, is a groundbreaking method of sending data using magnetic waves. MST replicates a card swipe by wirelessly transmitting magnetic waves from the supported Samsung device to a standard card reader. MST turns every card reader into a contactless payment receiver.
Near Field Communication or NFC is a method of wirelessly transmitting data using radio waves. Samsung Pay uses NFC to wirelessly transmit payment data to payment terminals with NFC readers that have been activated for use.
For Samsung Pay, either MST or NFC technology can be used to make secure, contactless transactions. The key difference is that almost all merchants can accept MST, which makes Samsung Pay the most accepted mobile payment service on the market.
In the context of Samsung Pay, MST and NFC have the same level of security. The payment information transmitted by both MST and NFC is protected using tokenization.
The device must be placed within 5cm of the card reader in order for MST to work.
The fingerprint scanner is very accurate. It has a “False-Acceptance Rate” less than .00002%.
You can enter the Samsung Pay PIN you created as a backup option. Samsung Pay will not accept iris or fingerprint authentication after 5 attempts, and will remove the data from the app and deregister all linked cards if there has been 20 consecutive attempts to authenticate using incorrect Samsung Pay PIN.
We strongly recommend reset the Samsung Pay App and / or reset your mobile device through "Factory Data Reset" before visiting our service centre for repair.
All payment information in Samsung Pay will be deleted. You will need to set up Samsung Pay and add your bank card again.
When performing a factory data reset, all bank card in Samsung Pay will be deleted. You will need to set up and add your bank card into Samsung Pay again.
Please contact the card issuer and verify you are adding an eligible payment card. Some cards from participating card issuer may not be supported in Samsung Pay.
Samsung Pay also requires an active internet connection when adding each card. Verify that you are connected to the internet via a Wi-Fi network or your mobile data connection.
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