Even though the Samsung level app does not support Level u2, the Samsung app called as Smart things does support it, so no issues.

Samsung Level U2 Awesome, awesome in every way, 9 out of 10 1. Bluetooth connectivity, no lag at all, excellent 2. Design, it just sits on your neck and shoulders as of its a part of your body. Very well designed i must say. 3. The semi in ear tips,...

I bought the Samsung M40 in June 2019, there is no Samsung Pay in it, Why Samsung ?