Got my Sony w800c to oreo. What are these apps that are allowed to install from unknown sources?

by mafreidyne

hboinay

Get rid of ES File Explorer right now!

kawshik201

Sony system apps.

Farhanito

W800C got Oreo? WOW!

Long live last 3D TV :)

m1ndwipe

They're system apps for professional installations or remote management in corporate environments.