adb shell pm list features | grep usb.host
adb push android.hardware.usb.host.xml /vendor/etc/permissions/ Use code with caution.
If you are building an Android application that requires direct USB communication (using the UsbManager API), you must declare that your app requires USB host features using this file. Understanding the XML Content
This comprehensive guide explains what the android.hardware.usb.host.xml file does, how to download or recreate it, and how to manually install it to restore USB OTG (On-The-Go) functionality on your device. Understanding the Role of android.hardware.usb.host.xml androidhardwareusbhostxml file download 2021
Use code with caution. How to Install the USB Host XML File
This snippet defines the android.hardware.usb.host feature and the android.permission.USB_HOST permission.
If you see feature:android.hardware.usb.host , the installation was successful. adb shell pm list features | grep usb
If you are on a modern device with Magisk, do not modify /system directly. Create a Magisk module:
Instead of searching for a "2021 download" package which might bundle adware, you can create this file yourself in seconds:
Even with this XML file present, the and your device must have USB OTG hardware capability . The XML alone doesn’t enable the feature—it just declares it to the Android framework. Understanding the Role of android
A rooted Android device (system files cannot be modified without root access).
: If this XML file is missing, the API returns a null value. The app will assume the phone is physically incapable of OTG connections, even if the underlying motherboard and hardware chipsets fully support it.
After placing the file, reboot your device. Clear the cache and Dalvik cache from recovery to force the Android package manager to rescan permissions.
A root-enabled file manager (such as Solid Explorer, MiXplorer, or Root Browser). A text editor app. Step-by-Step Installation Guide
What is the specific of your Android device? Which Android version is it currently running?