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Android USB Policy

Overview

The Android USB Policy is used to manage USB and physical media access on managed Android devices. By restricting USB file transfers and physical media mounting, administrators can prevent unauthorized data transfer and protect sensitive information on enterprise devices.

Requirements

Supported Platform

Android

Minimum OS Version

Android 9+


Policy Settings

Disable Physical Media Mounting

Field Name

mountPhysicalMediaDisabled

Type

Boolean

Default

false

Minimum OS

Android 9+

Prevents users from mounting physical external storage media on the device. When set to true, users cannot access SD cards, USB drives, or other removable storage devices connected to the device. This helps prevent unauthorized data transfer and protects sensitive information on managed devices.

Disable USB File Transfer

Field Name

usbFileTransferDisabled

Type

Boolean

Default

false

Minimum OS

Android 9+

Disables transferring files over USB. When set to true, users cannot transfer files between the device and a computer via USB connection.

⚠️ Note: This setting is supported only on company-owned devices.


Use Cases

  • Prevent data exfiltration — Block employees from copying sensitive corporate data to USB drives or SD cards.

  • Compliance enforcement — Meet regulatory requirements (SOC 2, HIPAA, etc.) that mandate controls over removable media.

  • Secure BYOD boundaries — Restrict physical media mounting on managed devices while keeping the device functional for daily use.

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