You can turn on the speaker on your iPhone by using the Control Center. The speaker button is in the bottom row of buttons, to the left of the camera and flashlight buttons. If your phone is on speaker, a white line appears around the circle so you can tell which one it is.
Open Control Center on your iPhone.
To open Control Center on your iPhone, swipe up from the bottom of your screen. If you don't see the Control Center, swipe left from the right edge of your screen. Or if you hold down on your home button and then slide up as though to take a screenshot, it will expand a quick settings menu that includes volume controls and more.
Control Center also has a flashlight button (if you have one) and buttons for Wi-Fi, Bluetooth and Airplane Mode toggles. To turn off Speaker:
Open Control Center by swiping up from the bottom of your screen or holding down on your home button and sliding up as though taking a screenshot
Tap on Speaker
Tap the speaker button. It's in the bottom row of buttons, in between the camera and flashlight buttons. A white line appears around the circle if your phone is on speaker.
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Turn on iPhone Speaker
If you can't hear anything when playing music or watching videos, it's likely that your iPhone has no speaker. The problem may be as simple as a setting being turned off, but if not, there is most likely an issue with the hardware. You can usually fix this problem by restarting your phone and checking the settings or bringing it into a local repair shop.
The speaker button is a great way to turn on speakerphone on your iPhone. It's quick, easy, and works with any of the iPhones in the iPhone series. And if you're looking for more ways to get better at using your phone, check out our other articles about how-tos!