If you can't fix it by yourself, you can bring it to the service center. But we must find a good one. As we know, there are many service centers in the market. Some of them are not professional and can not give you a good after-sales service.
Nexus phones are known for having a lot of issues with their microphones. There are a few things that you can do to fix your Nexus 6p microphone not working. First, you need to make sure that the microphone is enabled in settings. Go into settings and scroll down to sound and make sure that the microphone is enabled.
There are a few ways to clean up your Nexus phone. The first is to reset the device to factory settings. You can do this by going to Settings > Backup & reset > Factory data reset. If that doesn’t work, you can try the Recovery Mode.If you have a nexus phone and it’s not working, the first thing to do is to make sure you have the latest version of Android. If you can’t update your software, then you’ll need to go to the official Google help forum.