Does the OnePlus 3 Oreo update remove the engineering tool backdoor? The OnePlus 3 and other other OnePlus models had a engineering tool left in it that could allow root access without having to unlock the bootloader and flash custom recovery. The OnePlus response said that this tool would be removed in an upcoming update.

Now, Android Oreo is rolling out to the OnePlus 3 and 3T. Does this update remove the tool?
No, the latest Oreo update 1f602 for the 3 and 3T have not removed the EngineeringMode or the OnePlusLogKit. This is as of 11/20/2017 at 9:30 pm.