iPhone speaker only works in speaker mode
Can I only hear when iPhone is on speaker?
[Re-Titled by Moderator]
Original Title: iPhone Speaker issues
iPhone 12, iOS 18
Ear speakers in some iPhone 12 were known to fail. There was a service free repair but you are too late now.
I set mine to default to lower speaker as the repair was almost £500
Settings, Accessibility, Touch, Call audio routing, Speaker