USB Drives Read-Only
Lets USB flash drives and external disks mount but blocks all writes to them.
Per-class USB control - allow keyboards / mice / printers while blocking storage, cameras, MTP or HID. Three-mode mass-storage lockdown (off / read-only / block).
5 features
Lets USB flash drives and external disks mount but blocks all writes to them.
Blocks USB mass-storage devices (flash drives, external HDDs, SSDs) so they can no longer mount. USB keyboards, mice, headsets and printers continue to work normally.
Prevents Android phones, iPhones and digital cameras from connecting over USB as media devices, so their storage cannot be browsed.
Replaces the all-or-nothing USB sledgehammer with per-class control: allow keyboards, mice and printers while blocking storage, cameras, MTP, network adapters or HID. Survives reboot and applies before the device enumerates.
Three-mode mass-storage control. Read-only blocks writes immediately on already-mounted volumes; Block stops new sticks from mounting at all. Keyboards, mice and phone-charging are unaffected.