Why would you want to disable the fast mobile network speeds of LTE? Sometimes you’ll hit an area with spotty LTE coverage and your iPhone will bounce between 3G, LTE or even EDGE. That can kill your battery and you’ll want to disable LTE to avoid that.
Or maybe you just want to turn off your data to avoid any overages, or because you feel better when not constantly connected while on the go. Whatever your personal reason, here’s how to disable LTE on your iPhone.