Windows Explorer is pre-installed in Windows computer. In other words, you don't need to download or install any 3rd-party software to accomplish how to transfer photos from iPhone to USB stick. Within a few clicks, you are able to transfer iPhone photos to USB flash drive. Now learn how by the following steps.
1. Plug USB flash drive and iPhone to computer. iPhone will receive a prompt to approve it. Approve it and iPhone will be automatically detected by computer.
2. Open Windows Explorer and head to "iPhone > Internal Storage > DCIM". A list of photos on iPhone will show up.
3. Hold "Ctrl" and select photos you would like to transfer to USB stick and press "Ctrl + C".
4. Create a new folder in USB drive or find a folder, then press "Ctrl + V" to transfer iPhone photos to USB flash drive.
For more info: https://www.leawo.org/tutorial/how-to-transfer-photos-from-iphone-to-usb-flash-drive-1361.html?=1400