How To Activate Speaker On Iphone 7. On an iPhone 6s or older press and hold the Home button and the power button. The speaker feature allows you to speak to a caller and hear him without putting the device up.
The speaker feature allows you to speak to a caller and hear him without putting the device up. Tap Speaker and your iPhone will automatically set itself up to act as a speaker phone without any extra taps needed on your part. Tap Default and your iPhone will work as it does now with calls.
If you have audio devices connected to your phone such as Bluetooth headphones you will need to select the speaker from the audio output menu.
Use Accessibility Shortcuts with Your Home Button Scroll down and select Call Audio Routing which should be set to Automatic by default. Thats it your iPhone is now using speakerphone mode. When you press the speaker button during a phone call your iPhone doesnt switch to speaker. Speaker is turned on when highlighted.