: Go to Settings > Wallet & Apple Pay and ensure "Double-Click Side Button" is toggled on.
: People use the iCloud Shortcut to play the sound when tapping a friend's phone, making them think they've accidentally spent money. How to Set Up the Real Thing apple_pay_success_sound_effect
If you’re looking to experience the actual sound while shopping, ensure your Apple Pay is correctly configured: : Go to Settings > Wallet & Apple