Galaxy S7 Can't Hear Calls (Solution)

It has been reported by some that Samsung Galaxy S7 and Galaxy S7 Edge can’t hear calls correctly. The sound and audio problem on the Galaxy S7 when making or receiving calls can become a headache.
Below we’ll suggest some possible solutions to fix the can’t hear calls on the Galaxy S7 and Galaxy S7 Edge. If the calling problems still are happening after the suggestions, then it’s recommended to contact your retailer to get the Galaxy S7 or Galaxy S7 Edge replaced. The following is a guide on how to fix the Galaxy S7 when you can’t hear calls.
 
Check Galaxy S7 signal bars
The first thing you should do when you are having Galaxy S7 can’t make calls is to check the signal bars on your smartphone. Since the way that you can receive or make a call is related to the cell phone service that is provided from a wireless tower to send a signal.
If you notice that your Galaxy S7 has no signal, then it’s a good idea to reset your smartphone that can fix a small glitch on your phone. The following is a guide on how to reboot your Galaxy S7.
 
Verify if there’s outage in your area
Another reason that you could be having issues with calls on the Galaxy S7 is because of a outage in your area. This is the most common reason behind your problem. From time to time, cellular service will go our for maintenance reasons and you need to wait until the network is back up and running.
 
How to fix Galaxy S7 can’t hear calls:

• Turn off the Galaxy S7 or Galaxy S7 Edge, remove the SIM card and then reinsert the SIM card on turn on the smartphone.
• Dirt, debris and dust could be stuck in the microphone, try cleaning the microphone with compressed air and check to see if the Galaxy S7 audio problem is fixed.
• Audio problem can be caused by Bluetooth. Turn off the Bluetooth device and see if this will solve the audio problem on the Galaxy S7.
• Wiping cache of your smartphone can also solve the audio problem, read this guide on how to wipe the Galaxy S7 and Galaxy S7 Edge cache.
• Another suggestion is to enter the Galaxy S7 into Recovery Mode. Follow this guide on how to enter the Galaxy S7 and Galaxy S7 Edge into Recovery Mode.