There is one microphone in the earpiece one at the bottom next to the charging port and one on the back of your iPhone near the camera lens. Youll know Bluetooth is off when the icon is black inside of a gray circle.
How To Clean Your Iphone Speaker And Microphone Appletoolbox
With the slider set fully to the right for example.

How to fix bottom speaker on iphone 7. Repairing Your iPhone Speaker. Before checking if your speakers work go through steps 1-4 again and then try to play music or use your speakerphone. After 8 seconds release the Power Button but continue to hold the power button iPhone 6s or older the volume down button iPhone 7.
If the audio disappears entirely that means theres probably an issue with your iPhones speaker and you should take a look at our article on how to fix iPhone speaker issues. If you dont hear any sound or if your speaker button on the Ringer and Alerts slider is dimmed your speaker might need service. The iPhone 7 Plus uses both the primary loudspeaker and the earpiece speaker together to produce stereo sound.
If the speaker still sounds muffled its time to look into repair options. Make sure there is only a small checkmark next to iPhone. Contact Apple Support for iPhone iPad or iPod touch.
Press and hold the sleepwake button. Open Control Center by swiping up from below the bottom of the screen. On an iPhone 7 press and hold the power and volume down button.
Step 2 iPhone 7 Opening Procedure Heating the lower edge of the iPhone will help soften the adhesive securing the display making it easier to open. In portrait mode music plays only from the receiver earpiece speaker. Use a hairdryer or prepare an iOpener and apply it to the lower edge of the iPhone for about a minute in order to soften up the adhesive underneath.
On an iPhone 7 press and hold the power and volume down button. So if the iPhone speaker is not working try this first and then move to other solutions if needed. Scroll down to the audio volume balance slider and move it fully to the left or right.
Next press and hold the music hub in the upper right-hand corner of Control Center and tap on the AirPlay icon. Restarting is the easiest remedy to fix many types of iOS issues including the iPhone speaker not working. Make sure to clean each speaker and microphone carefully.
Let go of the power button or volume down button when your iPhone appears in iTunes or Finder. Apple offers repairs for iPhone speakers. After 8 seconds release the Power Button but continue to hold the power button iPhone 6s or older the volume down button iPhone 7.
If audio still plays through the earpiece after you tap speaker then theres probably a software issue causing the problem. The ways to restart an iPhone are different depending on the iPhone generation. Check the sound on your device Go to Settings Sounds or Settings Sounds Haptics and drag the Ringer and Alerts slider back and forth a few times.
The air coming from your mouth will cut the moist and clean the loops in order to pass signal thoroughly. Replacing this speaker can help resolve issues such as loss of sound poor sound quality and distorted sound. Dust gets in iPhone speakers and USB port overtime and this is really simple and easy way to clean it in 2mins.
Let go of the power button or volume down button when your iPhone appears in iTunes or Finder. The loud speaker in your iPhone is what makes it possible for you to talk on speakerphone play music and hear alert notifications for text messages phone calls and more. Tap the Bluetooth icon in the box in the upper left-hand corner of Control Center to turn off Bluetooth.
Once the phone is off press and hold the sleepwake button to turn it on. You may also wish to enable Mono Audio in the section above the slider. If this works you can thank the amazing YouTuber who came up with this idea.
If the loud speaker is defective or blown you may experience symptoms such as no sound at all except through the earpiece crackling audio or intermittent audio issues. If you havent cleaned your iPhone in awhile its probably overdue. This video will guide you through the process of replacing the loud speaker on an iPhone 7 Plus.
Place the speaker before your mouth and blow into it. If you are using an iPhone 8X7 use the volume down and power onoff button to restart the device. When the slider appears drag it and turn your phone off.
Tap the Bluetooth icon which looks like a B made of triangles. Take the phone in your hand. Use this guide to replace the primary loudspeaker at the bottom of the phone only.
The video is a step by step follow along guide with nothing.
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