iPhone 5G FAQ: What you need to know

The marketing machine for 5G is just getting warmed up. AT&T arguably fired the first shot when it started re-labeling some of its 4G LTE service “5G Evolution,” complete with a “5G e” logo in the status bar of some phones. Soon, 5G will be everywhere you look. All four major carriers are spending big money hyping up “5G” and trying to convince you that, first of all, you need it, and two, you need it from that carrier.

It’s all needlessly confusing, too. The carriers are trying to bamboozle us with big bandwidth numbers, misleading coverage maps, and confusing claims that have little to do with reality.

Here’s what you really need to know about 5G and how it’s going to impact you as an iPhone user.

Updated 10/01/20: We expect 5G iPhones to be announced this month, and there has been significant movement among carriers deploying 5G since our last update to this guide.

What is 5G, anyway?

Simply put, 5G is the next major step in mobile wireless technology. A very simplified description of the mobile generations looks like this:

  • 1G was the old analog, voice-only cellular stuff from the ‘80s.
  • 2G gave us SMS texts and MMS pictures, and eventually (as a sort of interim step) some limited data transmission.
  • 3G was the birth of the mobile internet. Speeds were slow, but you could load maps and webpages and make crude video calls. The original iPhone was technically a 3G device, though it was limited to connecting to AT&T’s EDGE network, which most consider “2.5G.” It’s successor, the iPhone 3G, connected to proper 3G HSDPA networks.
  • 4G is the LTE service we have today (though some carriers tried to brand their late-stage 3G service as 4G). It has evolved and improved over the years, offering faster data speeds and better reliability. The iPhone 5 was the first to support 4G LTE, though modern iPhones support newer 4G technologies that greatly improve cellular speed and reliability.

5G is the next step, and is meant to take us through the next decade of wireless service improvements. It should offer vastly improved speed, more reliable connections, and perhaps most importantly, it’s being designed to accommodate a vastly expanded number of connected devices.

Why should I care about 5G?

In the short term, you probably shouldn’t. It’s going to take some time before 5G networks are really available everywhere and nearly any mobile device you want to use can access them.

For the most part, you can expect your first 5G phone to offer real-world download speeds ranging from a hundred megabits per second to over a gigabit per second. Depending on your location, phone, and bunch of other variables, you can realistically expect it to be between 50% and 10 times faster than LTE service.

Over the years, as 5G networks and devices improve and include more parts of the complicated 5G specification, those speeds will go way up. Years from now, we may see multi-gigabit download speeds and upload speeds over one gigabit in the best circumstances.

5G networks also promise better management of congestion and much lower latencies (the gap in time between data leaving your device and reaching its destination). It should feel a lot more like being on Wi-Fi than on a cell network.

5G speeds are eventually going to be fast enough, with low enough latency, to serve as your home internet connection, and some providers have plans to do just that. You’d have a fixed antenna on your house or apartment and receive your home internet data transmission over the air.

That’s why 5G is important: It will eventually make your phone feel like being connected to a very fast Wi-Fi connection everywhere you go, and could provide some much-needed competition in residential internet access.

Isn’t 5G already available?

All three major carriers offer mobile 5G service, but it comes with a big asterisk. Even in cities where 5G is offered, it is usually only available in very limited areas. In some cases, it’s just a few city blocks here and there, scattered around a single downtown location.

T-Mobile is building both with-frequency mmWave stations and upgrading its existing sub-6GHz frequencies to 5G. The company merged with Sprint, giving it additional frequency in the valuable mid-band range. But T-Mobile is focused on breadth of coverage, pushing its 600MHz deployment of 5G, and trying to cover as much of the country as possible rather than going for the highest peak speeds.

Verizon is focusing on the super-high-frequency but super-short-range mmWave spectrum. Its coverage is so limited that the maps are city-by-city, but the performance, if you’re in one of those limited areas, is fantastic.

AT&T offers both sub-6GHz and mmWave 5G connections, but it’s not as widespread yet as its competitors, and in some areas the 5G frequencies are shared with 4G LTE network using dynamic spectrum sharing. You can see where AT&T claims it has 5G coverage on its coverage map, and it may be available only on some of AT&T’s plans.

To use the 5G network, you need a 5G phone. There are quite a few Android phones available, but none of them are cheap. Apple is expected to release its first 5G-capable iPhones in the fall of 2020.

It would be very generous to say that early tests of 5G networks and phones were “a mixed bag.” Phones overheated and dropped back to a 4G connection. Battery life is was not as good as you’d expect from phones with such huge batteries. Service, even in the limited locations where 5G is supposed to be live, was spotty. The situation has improved quite a lot in 2020, with both phones and networks offering better 5G reliability. Battery life and cost are still a concern, however.

When will 5G be everywhere?

Carriers are rushing to build out 5G networks as quickly as possible, though COVID-19 has slowed deployment throughout most of 2020.

The really fast 5G speeds come from using high-frequency radio waves called millimeter wave, which have never been used in cellular networks before. Higher radio frequencies give faster speeds but also cover a much smaller area from the cell transmitter. A single cell tower can cover dozens of square miles in the 700MHz radio spectrum, but will barely cover a city bock up in the millimeter-wave (mmWave) spectrum (above 24GHz). What’s more, higher-frequency radio waves do not easily penetrate materials: mmWave is easily blocked by trees, walls, windows, even other people.

Qualcomm

The fastest 5G will use high-frequency mmWave spectrum, which doesn’t travel far or penetrate buildings well.

Mobile network operators will have to build out many thousands of new towers to give us those super-fast mmWave speeds. And all the towers, existing and new, need a lot more “backhaul” (their connection to the internet). After all, they will need to support many more devices all transferring much more data.

All that stuff takes a lot of time. It’s a lot of construction work and tearing up streets, and that’s after dealing with local permits, easements, access rights, and so on.

Realistically, it will be 2021 before a majority of the people in the U.S. have at least some form of reliable 5G coverage on the carrier of their choice. Expect it to take 3 to 4 years before 5G coverage is on par with today’s 4G coverage (and some would say that’s a very optimistic view).

On the other hand, it’s safe to say that tens of millions of people in the U.S. in highly populated areas will have reliable access to 5G in the sub-6GHz spectrum before 2020 is done, and will have multiple phones to choose from.

When will I be able to buy a 5G iPhone?

Nobody ever really knows anything about a new iPhone until Apple gets on stage to tell us all about it. That said, the company’s recent settlement with Qualcomm puts it back on track to have a 5G iPhone ready for the fall of 2020. Though Apple has not yet announced the iPhone 12, rumors suggest that all models of it will offer 5G capability, though the high-frequency mmWave support may be limited to high-end models.

If the iPhone 12 offers 5G support, it will land on shelves right around the time 5G network coverage gets widespread enough to make a meaningful difference in many parts of the world, including here in the U.S.

x55 chip antenna Qualcomm

The first 5G iPhone will probably feature the Qualcomm X55 modem, and ship in the fall of 2020.

5G connectivity on the iPhone 12 will likely be provided by the Qualcomm’s X55 modem, a second-generation 5G modem that can connect to both millimeter-wave and lower-frequency 5G networks.

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