What is the reason for the hoarseness of the voice earpiece on Samsung S9 mobile phones?

If your Samsung S9 phone has poor call quality, we recommend you:

1.Trying to move the location may be caused by a poor signal at the location.

3.Update your phone's system version: Settings - About Phone (About Device) - Manual Update Automatic Update (Software Update System Update - Update). Note: Please back up the data in your device before upgrading.

4.Try to change another SIM card.

5.If the problem persists, it is recommended that you bring the purchase invoice, repair card and mobile phone to the local Samsung service center for professional engineers to help you test.

Recommendations:1Restart your phone.

2.Plug in the headphones to see if it's normal.

3.If the handset sounds abnormal during a call, the signal may be unstable and try to change the position.

If the problem persists, please bring the purchase invoice, repair card and machine to the Samsung service center for professional after-sales engineers to help test.

Samsung S9 silent glitches occur from time to time, which can be due to improper use of the audio amplifier which causes damage to the audio amplifier. How do I replace my audio amplifier so that I can fix a silent fault? This ** is a detailed demonstration of this, hoping to help you solve such failures.

We recommend that you do the following:

1.During a call, adjust the volume up button.

2.Turn the computer back on and off.

3.Try different contacts to see if this is the case, and rule out whether the other person's phone is a problem.

4.Test after replacing the SIM card.

5.Test after updating the system version of the mobile phone.

6.Back up your phone's data (**thin, SMS, multi**data, etc.), and try to restore your phone to factory settings.

If the problem still exists, it is recommended to bring the three-pack voucher and send the mobile phone to the nearest service center for testing.

If your phone is experiencing poor call quality, it is recommended that you:

1.Trying to move the location may be caused by a poor signal at the location.

3.Update your phone's system version: Settings - About Phone (About Device) - Manual Update Automatic Update (Software Update System Update - Update). Note: Please back up the data in your device before upgrading.

4.Try to change another SIM card.

5.If the problem still exists, it is recommended that you bring the purchase invoice, repair card and Changsheng mobile phone to the local Quexun Samsung service center, and professional engineers will help you test.

【Problem Failure】Quiet, intermittent or no sound:

1. The microphone (MIC) is broken.

2. Component leakage or variable value.

3. Re-soldering or replacing audio (power supply, CPU).

4. Increase the working voltage of the microphone (MIC).

Problem Handling] It is recommended that you send it to the nearest service center for testing, and the service center will determine the specific problems, accessories and other hidden faults of the mobile phone according to the test results, and give specific parts and maintenance costs**.