You can make an iPhone louder with a few simple tricks, even after you've turned up the speaker volume to the max.
You can change volume, noise cancelation, and Spatial Audio modes using the iOS Control Center. The exact settings available will depend on which model of AirPods you have. A full set of options is ...
Have you ever missed a call on your iPhone because the ringer volume is low? One of the most frustrating experiences is missing an important call because your iPhone’s ringer volume is too low.