If you wondered why call and recording quality in certain apps was subpar on your OnePlus 6 or 6T, you’re not alone — Android Police has compiled a long list of similar complaints that date back to the middle of 2018.

Specific call and recording complaints include low volume, tinny and distorted audio, and amplified ambient noise. According to the complaints, the issues rest in apps like Snapchat, Facebook Messenger, and WhatsApp. Some folks even experienced the issues in phone calls.

The call and recording issues might rest in the microphone usage on the OnePlus 6 and 6T. According to a user on Reddit, the two phones use the top microphone in the aforementioned apps — the top microphone is typically used for noise cancellation. Meanwhile, other apps use the bottom microphone as the main one.

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Interestingly, some folks complained about experiencing the same issues on the OnePlus 5, 5T, and 3. One Reddit user even said they experienced the issues on the original OnePlus One,

It also seems not every app is affected by the call and recording quality issues. Instagram and Telegram, for example, do not demonstrate the issues. On a similar note, not everyone experienced the problems in the affected apps.

Because reports also come from those with older OnePlus smartphones, it’s possible that a software update could remedy the call and recording quality issues. It’s also possible that the issues affect one’s ability to trigger Google Assistant on the OnePlus 6 and 6T.

We reached out to OnePlus for a comment on the matter and will update this post if we hear back.