Samsung may be working to
Currently Samsung Pay is available only for the South Korea-based electronics company’s newer, full-featured handsets including its Galaxy line, which account for only about 40% of Samsung’s 800 million handsets used worldwide.

But Samsung is exploring possibilities for enabling its lower-cost “J model” handsets sold in India to support the mobile wallet, which could greatly expand its reach there, reports
An advantage Samsung Pay has had over rival mobile wallets since its 2015 launch is its near-universal reach to all payment terminals, even those not enabled for Near Field Communication. Samsung’s Magnetic Secure Transmission (MST) continues to provide an edge over Apple Pay and Android Pay, which each require NFC, in many markets with a low penetration of NFC-enabled terminals.
Mobile wallets are seeing