If you are fed up with Apple controlling every aspect of your device, you can consider jailbreaking your iPhone. Learn how to jailbreak an iPhone running iOS11.
iPhone doesn’t not have feature to connect as a USB drive, but the solutions here can let you use your iOS device as a virtual USB/external hard drive.
Apple put a restriction on using unofficial lightning cables to charge iPhones and iPads, but you can use this tweak to enable the use of unofficial lightning cables.
