Tip 1. Turn Up the Volume
Sometimes we end up lowering the volume when listening to different audio. So, when you are making a call, make sure that the volume button is turned up and is high enough to give you clear audio.
Tip 2. Clean Up the Receiver
If your phone is subjected to rough handling, it may so happen that dirt and dust tend to clog your receiver. So, you can use any sharp non metallic pointed thing to dig out unwanted dust from the receiver. This might just clear the sound issue.
Tip 3. Reboot the device
Sometimes you may need to force restart the phone to ensure that you can have things working as normal again. Here is how you can do it.
Force restart an iPhone 8 or X
Press and release the volume up button.
Press and release the volume down button.
Now press and hold the power button until the Apple logo flashes.
Let go of the button and wait until the phone restarts again.
Force restart iPhone 7, 7 plus and Earlier
Press the power key along with the volume down key.
Wait until the Apple logo papers.
Now let go of the buttons and wait until the phone restarts again.
Often force restart is known to fix the minor bugs.
Tip 4. Check the Bluetooth connection
If you have a headset inserted to your iPhone, there will be no sound from the receiver or the phone’s speaker. So, make sure that you remove the connected headset. Also, if you have wireless speakers connected via Bluetooth, make sure to disconnect them.
Tip 5. Fix iPhone System with a Professional Tool (iOS 12 Supported)
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