The file /system/etc/permissions/android.hardware.usb.host.xml must exist on the device to enable Host Mode.

Ensure the OTG cable is firmly connected, not damaged, and that the USB device is powered properly.

Are you trying to connect a specific accessory (like a mouse, keyboard, or flash drive)?

This error generally indicates that the kernel is missing the necessary modules to act as a USB Host. Potential Fixes & Workarounds