Think of it like clearing out your garage to make space for a shiny new sports car. 3G uses up valuable radio frequencies that could be way better used for 4G and 5G. It’s not just about speed—it’s about capacity and efficiency.
Do you really want to watch a cat video buffer like it’s 2009? Of course not. By shutting down 3G, O2 frees up the airwaves so your Instagram stories load instantly. It’s like upgrading from a garden hose to a fire hydrant.
What About My Old Phone or That Ancient Car Tracker?
Here’s where it gets interesting. If you’re still rocking a 3G-only phone, it will stop working for calls and data after the switch. Kind of like trying to drive a horse and buggy on a highway. You’ll need a newer device that supports 4G or 5G.
But wait—what about your car’s SOS system or that medical alert pendant for your grandpa? Many of these rely on 3G, too. O2 has been sending letters and emails to customers, but it’s worth checking your non-phone gadgets before they go silent.
Fun fact: In some cases, even smart meters and farm sensors use 3G. Imagine a lonely cow missing its GPS update because the network vanished. Don’t be that cow.
2G SIM Card Only Contract — MoneySavingExpert Forum
