A security researcher has found a second factory app that was included on OnePlus devices delivered to customers, and this one can be abused to dump the user's photos and videos, but also GPS, WiFi, Bluetooth, and various other logs.
OnePlusLogKit logging can be enabled by entering *#800# via the phone's dial pad. This brings up the app's interface where various logging features can be turned on or off.
https://www.bleepingcomputer.com/news/security/second-oneplus-factory-a…