In the early days of the iPhone, users enjoyed service plans for AT&T (and later Verizon) that promised unlimited data. Unfortunately, it was too good to last. After a few years, the carriers decided that giving smartphone users unlimited data was either technologically problematic or insufficiently profitable (there’s some debate on this point), and they began to be replaced by limited data plans. Once that happened, we had to start worrying about how much data we used, because the last thing anybody wants is to burn through their monthly allotment and start being charged by the gigabyte. With that in mind, we’re going to spend the next couple posts talking about some of the ways you can manage your cell phone’s data usage, so that you still have some data left at the end of your month. In today’s post, we’re going to talk about how to handle data usage on your iPhone. Next time we’ll cover Android. Turn Off Wi-Fi Assist When you go looking for ways to reduce your data usage,