

Although they look identical, the left grille is a barometric vent, which helps your iPhone 7 Plus measure altitude. Don't worry, this is perfectly normal because the left grille isn't actually a second speaker. When you start to notice iPhone 7 Plus speaker problems, you may also notice that no sound is coming from the left grille on the bottom of your iPhone 7 Plus.


Why Isn't The Left Speaker Working On The Bottom Of My iPhone? It Is!
