https://discuss.grapheneos.org/d/10183-can-you-disable-the-file-manager-app/7
Can you disable the file manager app? - GrapheneOS Discussion Forum
GrapheneOS discussion forum
file manager appcan youdisablegrapheneosdiscussion
https://www.techradar.com/news/readdle-adds-built-in-vpn-to-its-file-manager-app
Readdle adds built-in VPN to its file manager app | TechRadar
Sep 13, 2020 - Hotspot Shield-powered VPN turns Readdle's Documents into a super app
file manager appbuilt inreaddleaddsvpn