I have a similar issue, but audio breakup seems to coincide with connecting/disconnecting wifi.
You could immediately flash a community rom instead of using Oxygen OS
Official Lineage builds here, https://download.lineageos.org/oneplus2 - AFAIK you can dirty flash the experimental one for migrating, and then the...
I had Etar as the calendar as the in-built one crashed for me. Now that Etar also crashes I've reverted back to AOSP calendar. I then disable it and...
Lineage will remove root, you can add via this flashable zip
This build includes microG and expects you to use alternative options like Yalp from F-Droid. MicroG is an alternative implementation of Google Cloud...
Instead of flashing the whole OS you can just flash the
Front camera works with OpenCamera from F-Droid
Dirty flash should work on cm14.1
This link is for my build that includes http://microg.org and F-Droid.
Other devices here...
You can use https://f-droid.org/repository/browse/?fdid=org.afhdownloader to grab the rom, just set the flid to 52041
I've been running AOKP MM for a few days , nightly from 19th , currently on 27th