ironass, May 29, 2019 : My bad... it is heading for 03.00hrs here and I am not firing on all cylinders. You will need someone who has a rooted OnePlus 6 to go to... /system/priv-app/Settings ... and pull the Settings.apk for you. Failing that, it's the MSMDownloadTool in post #6. This will wipe your data and cache. ironass motto... "Flash in haste... repent at leisure!"