There was some confusion at today's announcement whether or not Samsung's Galaxy S21 series of phones support MST for contactless payments. The technology allowed earlier Samsung devices to use wireless payments even at terminals that weren't configured with NFC, emulating a magnetic card stripe for the reader. Unfortunately for fans of the feature, Samsung confirms to us that the Galaxy S21 won't have MST in the US, and this loss of MST will apply to future phones as well.

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