What's wrong with the phone calling without sound
There is no sound when making phone calls on mobile phones, usually due to phone settings, network signals, or hardware failures.
I've encountered similar situations before. At that time, I was about to attend an important conference call, but I found that my phone had no sound output at all. At that moment, my heart sank to the bottom. After calming down, I began to systematically troubleshoot the problem.
Check volume settings: This seems simple, but is often ignored. I scrutinized the volume settings of my phone, including media volume, ringtone volume, and call volume. Make sure all volumes are turned to maximum. This step seems basic, but it solves similar problems of many of my friends. They often ignore the simplest settings in a tense situation.
Check the headphone connector: There is an odd phenomenon on my phone occasionally: Even if the headphones are not inserted, the system uses headphone mode by default. Carefully check the phone's headphone connector to see if there is any dust or foreign objects blocking, or if there is any problem with the interface itself. I used a tiny cotton swab to clean the interface and solved this problem.
Restart your phone: This is a tried and true method. Restarting the phone can clear some system caches and solve some temporary software failures. After restarting the phone, remember to test the call function again. This is like a computer crashing, and restarting can often solve many problems.
Check network signals: If it is in a weak signal area, the call quality may be affected and may even lead to no sound. Try moving to a place with better signals to see if it can improve call quality. Once, I answered the phone in the underground parking lot, and the signal was very weak, so I couldn’t hear the other person’s voice at all.
Check the SIM card: Make sure the SIM card is correctly installed in the phone card slot and is not damaged. If possible, try changing a SIM card for testing. There was a friend who had poor contact with the SIM card, which caused the call to be intermittent and even no sound.
Check the phone speaker: If none of the above steps can solve the problem, the problem may be on the phone's speaker. You can try playing some music or videos to see if your phone speakers are working properly. If there is a problem with the speaker itself, it needs to be sent for repair.
If you have tried all the above steps and still cannot solve the problem, it is recommended to contact the mobile phone manufacturer or professional repair staff for help. Remember to record the steps you have tried and problems you have encountered, which will help repairers find the cause of the failure more quickly. Don’t forget, stay calm and investigate step by step, and you can always find a solution.
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