Mac USB error 3: Unable to claim interface: Access denied (insufficient permissions)

View USB device information
You can view information about the USB device to which you are connected at the terminal input: system_profiler SPUSBDataType
For example, my USB information is as follows (part content) :

          Product ID: 0x2769

          Vendor ID: 0x22d9

          Version: 2.31

          Serial Number: 6e5d48a4

          Speed: Up to 480 Mb/sec

          Manufacturer: Android

          Location ID: 0x1d110000/8

          Current Available (mA): 500

          Current Required (mA): 500

See the vendor ID for my Android phone: 0 x22d9 Remember this ID!
USB error 3: Unable to declare interface: Access denied (insufficient permissions)
Here are the steps on how to do it.

Create information. plist/Proxmark3 /System/Library/Extensions. kext/Contents. if missing. the parent folder should be created and the file contents should look like this:

<?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "">
    <!-- This is a dummy driver which binds to Proxmark. It -->
    <!-- contains no actual code; its only purpose is to     -->
    <!-- prevent Apple's USBHID driver from exclusively      -->
    <!-- opening the device.                                 -->
    <plist version="1.0">
            <!-- The Proxmark3 USB interface -->

Note:{your-usb-hardware-product-id} and {your-usb-hardware-vendor-id} must be your own hardware id, which can be obtained from About this mac – System Report – Hardware – USB.

Enter /System/Library/Extensions as the root runner.

sudo chown -R root:wheel Proxmark3.kext

sudo chmod -R 755 Proxmark3.kext

sudo kextcache -system-caches
    1. Restart the system and view the results.

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