How to turn 3G or 4G LTE off on Android in order to save battery
So does that mean that LTE is inherently less power-efficient than the older standards? Well, that used to be the case, especially if compared with, say, Wi-Fi. Whether that's still true today is a little less clear. Regardless, the power the LTE radio on your smartphone draws from the battery when connected to a compatible network is likely the least of your worries – you should be more concerned if it happens that you live in an area with spotty LTE coverage. That's because constantly jumping between 3G and LTE is a power-intensive task that will drain your battery quickly. Here's how you can turn those two on and off on demand.
* Keep in mind that different models of the same device, along with your SIM card and carrier, will all have effect on what exactly you see as available options on your end. We're showcasing how to access that menu, but you might have to apply some common sense. We'll explain more below.