I've been testing iOS 18.2 since the first beta, but I hardly paid any attention to it. That's because I'm an iPhone user in Europe, which means I'm not getting any of the Apple Intelligence features ...
Guidance for restoring alerts, calls, and tones without guessing ...
Depending on which iPhone you have, your smartphone will have two volume buttons, a side button, a Ring/Silent switch, or an Action button, and if it's an iPhone SE or older iPhone, a Home button.