To enter this mode we will have to do the following: Press the power off button on the phone for a while. Wait for shutdown and restart options to appear. Hold down the power button for a while until an on-screen pop-up appears. Press accept to restart the phone in safe mode. Buy Replacement Ear Speaker Module Flex Compatible with Huawei Honor 10 Lite: Everything Else - Amazon.com FREE DELIVERY possible on eligible purchases Step 1. Open your phone dial and type *#7353# to enter Device Diagnostic Tool menu. Step 2. For external speaker, tap Speaker. If the speaker is working fine, you will hear extremely loud music coming from your phone. Tap Speaker again to silent the phone. Step 3. For internal speaker, tap Melody. Here are some potential solutions to your One Earbud Not Working problem: Check Mono/stereo Audio settings. Clean headphone jacks. Straighten up the earphone cord. Restart Your Device. Fix Half point problem. Fix Wiring Issues of Earbuds. Re-insert the jack rightly. Try a new set of earbuds. Boot Into Safe Mode. Booting your S10 into Safe Mode will disable all third party apps and services. This can help isolate whether an app is causing the problem. To boot into Safe Mode: Hold down Right click your microphone, and click Properties. Click Levels. If the microphone icon has a crossed out red circle next to it, click it to unmute. If the microphone level and boost are set low in this menu, slide them to full and check to see if that helps. Make sure the correct microphone is set as the default. Windows 11: Right-click on the sound icon on the taskbar, and select Sound settings. Scroll down the right pane, find and click More sound settings. Under the Playback tab, right-click an empty space and make sure there is a checkmark beside Show Disabled Devices. Right-click on your headphones and select Enable. Check OS and antivirus permissions. Select the proper microphone in your Zoom settings audio panel. Test your mic. Increase microphone input volume. Use Zoom’s mic test to set optimal levels Click the Apple logo at the top left, then select System Preferences . Going to Mac System Preferences. Click Sound . Accessing the Mac Sound settings. In the Input tab, click on your headset mic to select it for sound input. You can also control the input volume by using the slider beneath the list of devices. Ensure the phones volume is turned up. Ensure that the phone is not playing through a wired or bluetooth headset. Check the speaker or receiver are clean, and not obstructed (If your phone has a removable back cover, take it off an clean the speaker) Turn the phone off and on again. Check for a software update. mcwoW.