I also like to keep a local backup of my iPhone in addition to my iCloud backup. I don’t use iTunes, but I often charge my phone on my PC’s USB port. Why would you want to keep iTunes around if you don’t really use it? Here’s an example. RELATED: How to Never Use iTunes With Your iPhone, iPad, or iPod Touch But if you need to keep iTunes installed and just don’t want it to automatically open and sync when you plug your iOS device in, here’s how to make it happen. You can use your iOS device without iTunes or, even better, use a good iTunes alternative. Even though it got a little better with iTunes 12, it has since devolved into another slow mess of mostly useless features.