The crackling can also come from there. Indeed, some applications use a lot of resources on your Huawei P20 Lite and thus may prevent it from working properly. To test whether these are applications that make your Huawei P20 Lite microphone sizzle, it is best to attempt a restart in the backup mode. A reboot also refreshes the main components of your HUAWEI P20 LITE in case one of them has crashed while performing a task. To perform a quick reset, simply press and hold the power button and tap the Reset option. If your HUAWEI P20 LITE starts charging normally again after a reboot, then your problem is solved. 2. No ring tone tone is heard on incoming calls on your Huawei P20 lite Android 8.0 Cause 1 of 2: Silent mode is turned on When you turn on silent mode, all phone sounds are turned off. Hello, I got myself a Huawei P20 Pro and am fairly satisfied with it atm. But there is one issue I have now and that is that apps like Line, Teamspeak 3 and even the phone app is using the wrong microphone when using a Bluetooth headset or even Projection Using a Type-C Cable. Prepare a Type-C cable. Use a Type-C to HDMI, Type-C to DP, or Type-C to MiniDP cable depending on your external display. Connect the Type-C end to your phone and the other end to the external display. On the external display, set the corresponding HDMI, DP, or MiniDP input as the signal source. If the sound issue is specific to a certain app on your HUAWEI P20, clearing the cache and data of the app might resolve the problem. Go to «Settings» > «Apps» > «All» and find the problematic app. Tap on it and then tap «Storage.». Tap «Clear Cache» and «Clear Data,» then restart your HUAWEI P20. Check if the sound issue is Ensure that the audio device is properly connected to your Huawei P20 lite Android device. Try connecting the audio device to a different port or audio jack, if available. If you're using Bluetooth headphones or speakers, make sure they are paired and connected to your device. Method 3: Restart the Device. Restarting your Huawei P20 lite The following are the indications of a Huawei P20 lite (2019) no sound problem/issue: The Huawei will ring, but the speaker will not function for anything else. No sound at all for calls, apps, music, and so on on the Huawei P20 lite (2019). The Huawei has become locked in headphone mode. Huawei P20 lite (2019) Sound or Voice Problems: Steps utCA.