When I had a Note7 for a few weeks last year, I tried registering Samsung Pay but it wouldn't accept my bank. But there's only relatively few places accept it, which are usually the more upscale(expensive) stores and restaurants, same with Apple Pay. Most everybody uses TenPay or AliPay, and just about every place accepts that around here, including night market sellers, taxis, etc, because those don't require any merchant service credit card terminals at all, which Samsung Pay does require.