Ways to Fix iPhone No Sound on Calls Problem

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Ways to Fix iPhone No Sound on Calls Problem

22 April 2021 Amanda J. Brook Senior Product Manager

Summary
Smartphone nowadays is designed to have a long lifespan, but users can still meet up with different errors. Voice call, the basic function of all kinds of cell phones, is the main connection method even it is replaced by different social media gradually. For iPhone users, you may fail to hear the sound from the other caller or get break up directly. Following will introduce ways to solve this problem.

Content

How to Fix iPhone No Sound or Break Up on Voice Calls

1. Check iPhone Battery
2. Make Calls in Another Location
3. Fix and Update the iOS
4. Switch VoLTE Settings
5. Check SIM
6. Disable the Mute Mode
7. Make the Call Again
8. Send the Device to Expert

How to Fix iPhone No Sound or Break Up on Voice Calls

iPhone gets no sound or break up on voice calls could be caused by poor network reception from the carrier. Generally, the signal of mobile could be divided into 2 types of frequencies: 2GHz and 800 MHz. For 2Ghz, the signal will reflect when it reach the walls while 800MHz can cover a larger space. However, iPhone will catch the radio wave of 2GHz at first. When 2GHz fails, it will turn to 800MHz. So, the voice calls could get no sound or break up during the switch of the frequencies on iPhone. Now knowing the reason, how can we solve this problem? Follow us.

1. Check iPhone Battery

iPhone voice call breaking up could be caused by the power outage. Please make sure the battery is enough before using the phone.

2. Make Calls in Another Location

Please check the signal strength icon when you encounter iPhone no sound or breakup on voice call process. If the signal strength shows 4 bars means the signal is good while 1 bar means that your location is with poor signal. If the signal strength is weak, please make phone call in another location with a stronger signal.

3. Fix and Update the iOS

If the iOS get some errors like black screen, frozen screen will also lead to voice call no sound or break up. When you encounter such errors, please fix iOS asap with professional software – Renee iPassFix.

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TipsHow to use Renee iPassFix?

You go through merely three steps to fix iOS:

Step 1: Download and install Renee iPassFix. Then, connect iPhone to the computer and open the software. Next, select [Fix Device].

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Step 2: Click on [FIX]. The software will automatically download the firmware. Of course, you can select to manually download and input the firmware.

Note: If you want to remove all malicious apps, we suggest using the option [Full Restoration] which can empty all iPhone data. Therefore, before this step, you should back up the important information, such as photos and contacts. After the restoration, you can enter the Apple ID and password to reactivate your phone.

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Step 3: As it is finished, disconnect between iPhone and PC.

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4. Switch VoLTE Settings

VoLTE provide phone call services bases on the 4G network. Current 4G only provides data service, and it will switch to 2G/3G network when users making phone call on the related device. However, phone call makes on VoLTE devices will be also served by the 4G network, which is entirely different from the mentioned 4G. In other words, 4G network can not only provide voice call or video call with high quality but also offers the stable network during calls. However, unstable 4G will affect the call quality. When the phone call quality is not so good, we can switch to 3G.

Steps:

Unlock iPhone, go to [Settings], [Cellular], [Cellular Data Options], [Voice & Data] and choose 3G in the list.

5. Check SIM

If iPhone calls break up at any time and anywhere, the problem could be caused by the damaged SIM card. Please turn off the iPhone, remove the SIM card and clean it before reinserting it.

6. Disable the Mute Mode

If you click the Mute button when you making the phone call, the other side on the phone will not hear your sound. Please check and turn it off if it is on.

7. Make the Call Again

Please make the phone call again if your device works normally. You can try to dial different numbers if same problem happens.

8. Send the Device to Expert

If the introduced methods can not help you fix the problem of iPhone getting no sound on voice call, please send the device to expert for repair.

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