If the Pixel User Community forums are any indication, it would seem that this is not an isolated incident, as many are chiming in with the same problem.More news: Pokemon Go makers working on new Harry Potter AR game
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It's pretty rare these days to see the Pixel 2, and the Pixel 2 XL especially, in the news for anything other than the newest hardware issue cropping up.
"[.] every time that Google Assistant is summoned up and any bluetooth headset is connected, then Assistant will NOT detect audio neither from bluetooth headset nor from phone, said one user in the forum". Likewise, device owners have reported the issues persists regardless of which brand of headphones are used. Another Pixel 2 XL user vented his frustration in a Google+ post where he claimed to notice the issue within hours of purchasing it. Users have posted videos showing a bright white or greenish flash that seems to confirm the issue.
In another issue reported by Pixel 2 users (and some Pixel 2 XL users), some users are experiencing microphone malfunctions on call - when making calls, the mic doesn't pick anything up. However, the fix is not a permanent one and users might have to replace their devices. Android Police adds that some Nexus 6P users who upgraded to Android 8.0 Oreo recently are reporting similar screen flashing. A user also compared this to blowing into an old NES cartridge to get it to work again. "Blowing into the speaker when the microphone is working causes it to fail", Zeird wrote. "I was able to replicate the issue by blowing into the bottom speaker. Yes..." Apparently, there is a fix that might bring the microphone back to work.