Hi, can someone please assist? How do I change my security pattern on Samsung Pay? When you pay with watch, you have to put your pattern in, I want to change that pattern. Hope someone would be able to help me. Thank you!

Can someone please assist. When wanting to listen to a whatsapp voicenote privately, the proximity sensor does not kick in. But when making normal network calls, the proximity sensor does work. Does someone knows whats causing this? Thanks.