Attach the USB drive or SD card reader to the charging port on your iPhone using a compatible connector or adapter. You may need the Lightning to USB Camera Adapter, Lightning to USB 3 Camera Adapter, USB-C to SD Card Camera Reader, or Lightning to SD Card Camera Reader (all sold separately). Note: An external storage device must have only a
Connect the devices to the USB ports on the hub, then connect the hub to the computer. Most USB hubs have a power adapter and should be plugged into an outlet. Be sure to connect USB 3.0 SuperSpeed devices to a USB 3.0 SuperSpeed HUB, USB 2.0 Hi-Speed devices to a USB 2.0 Hi-Speed hub, and so on. See also If a USB device doesn’t work with Mac
You can use the USB-C to Lightning Adapter to charge your iPhone or iPad. For example, connect a USB-C to Lightning Cable to this adapter, then connect the other end of the cable to a USB-C power adapter. This adapter provides a maximum of 24W when charging iPhone or iPad models with a USB-C connector. For faster charging performance, use a USBStep 2. Connect both the PCs with the USB cable. Insert one end of the cable into the USB port of your old PC and the other end into the USB port of the new PC. Wait till both PCs recognize the USB cable. This should also start an installation wizard.
With your drive attached, open Settings and pick System, Developer options, and Force allow apps on external. Next, go to System, then Storage, and pick your USB drive. Select Erase & format as