Macworld Some iPhones are locked to single cellular networks, especially iPhones bought in the U.S., while others are ...

Although turning on Low Power Mode permanently is an experiment you might want to try, if you find that you need to keep Low Power Mode on all the time to get decent iPhone battery performance ...

It is also possible to unlock an iPhone so you can use it on any network. But don’t worry. It’s relatively easy to find out if your iPhone is locked or unlocked, and in this article ...