Pixel - Severe microphone issues2 best answers
- This thread is about problems with one or more of the three microphones on the Pixel and Pixel XL. There are a few known root causes, resulting in similar but different symptoms.
- The most common problem is a hairline crack in the solder connection on the audio codec. This will affect all three mics and may result in other issues with audio processing. This problem tends to be transient because of the nature of the crack. Based on temperature changes or the way you hold the phone, the connection may be temporarily restored and the problems may go away. This is especially frustrating as a user because, just when you think you've got it fixed, the problem randomly comes back. We believe this problem is occurring << 1% of phones and often happens after a few months of use (it could be triggered by dropping the phone that may not cause any visible external damage).
- The other related problems are due to a faulty microphone. Normally, this shows up as a consistent failure of a single mic. This problem is even rarer, but has very similar symptoms. The hairdryer trick (mentioned by Yaza) could work as the mic failure might be caused by the diaphragm in the mic getting stuck. Applying heat and/or forced air directly to the affected mic might free it, but I wouldn't recommend this for most people.
- We are aware of no software issues causing issues with the mic. All the cases we've investigated have been the result of a hardware problem, requiring replacement of the device.
- If you purchased the phone from Google, contact support and describe your problem as a mic failure and explain the symptoms. Our support reps should be trained on this issue and should help you process a return. Google will put a hold your credit card for the replacement and ship you the phone immediately. Once we receive the defective phone and verify the problem, the hold will be removed.
- If you purchased the phone from another retailer, your best bet is to go back to that retailer as they can replace the phone more quickly. Our partner reps should also be trained on this issue. If you don't want to return to the retailer you purchased from, Google can also process the return, but because the phone was not purchased from us, we must receive the phone (and verify that it's actually a legit return of a Pixel phone) before shipping the replacement. That normally takes a couple of weeks, which is obviously really tough if you don't have a backup phone you can use in the interim.
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