According to some users on the Google Product Forums, a fix for this problem doesn't appear to be present in the developer preview for Android 8.1, so we may be waiting on a fix for a while. I have had the same exact symptoms as everyone here so it may be for us all. Either Google has cheapened out by relying on a slightly older OLED panel to save a dime with the Pixel 2 or LG has refused to sell their best OLED panels. "If a bluetooth device is connected, the Assistant (regardless as to how it is launched, if I am in lock screen or anywhere else) will not hear any audio from either phone or bluetooth headset". Google is yet to come out with a fix for the issue.
"Yes. Blowing into the speaker like you would an old NES cartridge". Additionally, some Pixel 2 and Pixel 2 XL users are reporting problems with their handsets' microphone. Earlier on several Pixel 2 XL devices were reported to be suffering from screen burn-in issues and now it looks like another issue has cropped up regarding the microphone of the Pixel 2 XL device. Blowing into the speaker when the microphone is working causes it to fail. Of the bunch, one of the least celebrated features is the way the devices are ...
The Pixel 2 and Pixel 2 XL's woes just won't stop pouring in, even after Google rolled out an update to solve a number of them. Doing this made my microphone work again and it continues to work when it goes out. Unfortunately for Google, the issue seems to have plagued quite a few users and seems like a hardware issue rather than a software problem.
And for the latest issue, some of you may have probably experienced it: screen flashing when locking or unlocking the phone. This seemingly confirms that the screen flashing issue is related to software.