Matt Galligan

I’d like to give an update to yesterday’s post on which network to choose when buying an iPhone 5. One of the things that I mentioned was how Verizon’s network will now support simultaneous voice & data. Turns out that’s not 100% true.

An Apple spokeswoman named Natalie Kerris said the following according to the New York Times:

“iPhone 5 supports simultaneous voice and data on GSM-based 3G and LTE networks. It is not yet possible to do simultaneous voice and data on networks that use CDMA for voice and LTE for data in a single radio design.”

Other Verizon 4G LTE devices are able to deal with this by adding a second antenna – one to handle the voice, and one to handle the data. Except it’s a bit more complicated with the iPhone 5 in that they too use two antennas, but they do so to simply improve the signal quality. Those two antennas use the same technology at the same time meaning it can’t split between LTE and CDMA bands.

The Verge was a quick to report that the iPhone 5 won’t support simultaneous voice and data on Verizon or Sprint based on the following quote from a Verizon spokesperson:

“The iPhone 5 was designed to allow customers to place a voice call on the Verizon Wireless network, while letting customers access the Internet over the WiFi.”

But it’s still not clear whether or not the iPhone 5 is compatible with a possible future implementation of voice calls.

The Voice Over LTE elephant in the room

One possibility is that the iPhone 5 will support Voice Over LTE in the future. Right now it doesn’t seem to be a capability but considering that the radio is the same, it’s possible that it could be implemented via a software update (this statement is based on my current knowledge of cellular radios). Verizon began testing VoLTE capabilities late last year and are reported to be pushing the technology in 2013.

When VoLTE becomes a capability of the Verizon network, theoretically the iPhone 5 will have the ability to support simultaneous voice & data while connected to an LTE network. However, Apple hasn’t made any statement about the above yet.

I, for one, am hopeful. I have a strong hatred for all that AT&T has done lately and am very keen on going to a different network. However, it appears that the decision may be a bit tougher, at least in the short-term.

UPDATE: I’ve put together a comparison chart highlighting the differences between carriers

I’ve been anxiously awaiting the launch of the next iPhone for some time now, but mostly so that I can leave my least favorite part of the iPhone 4S behind – AT&T.

Today’s announcement of the iPhone 5 was much anticipated and the design is exactly what the many rumors foretold. The device is longer – 4” vs. 3.5” – which gives it an aspect ratio of 16:9 and has a resolution of 1136x640. It’s got an integrated touch screen and display that allows it to be thinner and a higher quality display. It’s faster in a bunch of ways. No question it’s the best iPhone yet.

But how do you choose which carrier to go with? In the US we have three options – AT&T, Sprint, and Verizon. And whereas I don’t have a definite opinion on why you should choose any one of them I can say beyond a shadow of a doubt that you shouldn’t go AT&T.

AT&T is the worst choice for the iPhone 5

Let’s address the hardware first. While Apple didn’t expressly say it in their keynote, there will be three different iPhone 5’s – the devices will be compatible with US GSM, Europe GSM, or US CDMA. Translating very loosely that means AT&T, Verizon and Sprint, and other European carriers.

Digging in a little bit, I noticed that the cellular radios that each used were very different. Apple has these details on their iPhone 5 Tech Specs page but here’s the breakdown:

• AT&T – GSM model A1428*: UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 4 and 17)
• Verizon & Sprint – CDMA model A1429*: CDMA EV-DO Rev. A and Rev. B (800, 1900, 2100 MHz); UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 1, 3, 5, 13, 25)
• European – GSM model A1429*: UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 1, 3, 5)

Notice that the LTE bands that the CDMA model and European GSM model support, specifically bands 1, 3, and 5. The CDMA model adds bands 13 and 25 to the mix – these are Verizon’s 700MHz band and Sprint’s 1900MHz bands. The AT&T GSM model uses bands 4 and 17 which are AT&T’s proprietary LTE bands, but the clear omission is the bands 1, 3, and 5.

• Band 1 – Support in Asia, Europe, Israel, Japan
• Band 3 – Finland, Germany, Australia, Hong Kong, Japan, Poland, Singapore, South Korea
• Band 5 – Americas, South Korea, Israel

Bands 4 and 17 which the AT&T version of the phone support gets you theoretical compatibility in the US, Canada, and Latin America. A significant difference.

Off the bat the AT&T iPhone has significantly less world support for being a “world phone.”

Apple points out on their own site what the specific carrier compatibility here which makes it seem like the European version of the iPhone 5 clearly outpaces the US counterparts. But the one thing to note about this is that the hardware itself supports the bands, so the reduction in compatibility has more to do with software than anything else at that point.

FaceTime

With iOS 6, Apple has added the capability for iPhones to do FaceTime over cellular connections. This is huge – especially for the hearing impaired population. As reported earlier AT&T is outright blocking FaceTime over cellular connections unless you pay them an arm and a leg for their newfangled “Shared Data” plans. First off this is ridiculous because there’s nothing technically different about the shared data plans that add compatibility. This is about AT&T being greedy and trying to take more money for the same functionality.

Verizon hasn’t provided an explicit answer to if they’re going to be supporting FaceTime over cellular but I’ll put my bet on the fact that they’ll allow it because they’ve historically been less stingy about what goes over their data pipes.

Simultaneous Voice & Data

My biggest reason for never going to Verizon prior to the iPhone 5 is because the CDMA band that Verizon uses doesn’t support simultaneous voice & data. Essentially this means that I wouldn’t be able to surf the web, look at maps, etc. while I happen to be on a call. It’s also a big deal for people that work remotely sometimes and use data tethering. Because I use these features a lot it was always a deal-breaker.

Now with LTE, Verizon’s networks are able to support simultaneous voice & data – removing the previous restriction.

UPDATE: We’ve now got confirmation from Verizon that simultaneous voice & data is supported by Verizon on their LTE network.

@shellen I’m not a journalist, but I love awards! You can run voice/data at the same time on 4G devices, while in a 4G area! ^KAH

— VZW Support (@VZWSupport) September 12, 2012

UPDATE 2: Looks like this may not exactly be cut and dried. Here’s another blog post detailing why.

Coverage and speed

Verizon was much quicker to the LTE game than AT&T and it seems like AT&T has been struggling to keep up with Verizon’s breadth of coverage. Even some speed tests prove that Verizon’s network is quite a bit faster than AT&T’s.

While I can’t seem to find the original report that I’d seen on the additional amount of dollars going into the infrastructure – Verizon is outspending AT&T in this area as well which bodes well for customers that will be using their LTE network.

They just suck

Beyond all of that I just have a personal hatred for AT&T. I’ve been a customer of theirs for 12 years now and in recent years I’ve been extremely disappointed in many things – price gouging, charging for features that shouldn’t be charged for (see FaceTime and tethering), and many more. Frankly I’m very excited to longer be a customer of theirs – no matter the price I’ll have to pay to terminate contract.

I’ll also start this as part of a discussion at Branch too. It’s embedded below as well.

Read More

Years ago we heard AT&T’s pitch: “more bars in more places”. Their campaign was to let everyone know that they had the best signal around. Sure, that may have mattered then, but the definition of signal is even variable. Just a few years ago, Apple and AT&T changed how the iPhone displayed the signal bars to appear as though people had better service. Signal is just one of the indicators that the carriers give us to understand a device’s connection to the network.

With Apple’s update to iOS 5.1, the story gets even more confusing. If you’re on an AT&T network and have an iPhone 4S, you might be seeing a “4G” symbol now where a “3G” symbol appeared before. But here’s the kicker: the speeds are the same. AT&T claims that this is the right way to do it because they want to distinguish the speed of their network from what Verizon calls “3G”. Add in one more level of confusion: AT&T’s “4G” network is referring to their HSPA+ network, not their LTE network. That’s going to be called “4G LTE”. Following me still?

The last few days while I was at SXSW, my iPhone was indicating that it was on AT&T’s “4G” network with a full five bar signal. Yet, when I tried to do anything at all it failed miserably. When I finally got SOME signal I did a speed test and that same network AT&T claims is “4G” gave me a 0.25Mbps downlink speed. Abysmal. Without a doubt it’s not the brilliant future of crazy speeds everywhere that the mobile carriers promise us.

What current indicators mean

It used to be that signal actually mattered when the network density was low. And sure, it still matters a bit in rural areas. But most of the time, I’m seeing at least 3 bars, which should be a decent enough network connection. Here’s a couple definitions on what the indicators mean:

• Signal bars: These show how strong the signal is between the tower’s broadcast and your device

• Network indicator: This shows which network band your connected to: this could mean you’re connected to GRPS (1G), EDGE (2G), UTMS (3G), HSPA+ (3G but AT&T calls it 4G), or LTE (true 4G).

So even if you have a strong signal (signal bars) to the tower, and you’re on one of the specific network bands (network indicator), it’s still possible that you’ll have degraded or no actual service. This happens when the network itself is overloaded (concerts, festivals, conferences, rush hour, etc.) with usage.

We need a new indicator

What we need is something that indicates network quality. This would be a third indicator (or replacing the two previous ones). It would indicate the level of service that one could expect while on a cellular band. This might account for data connectivity and speed, as well as voice and SMS connectivity.

These days, what network I’m connected to and how strong that signal is to that network means relatively nothing to me. I’d much rather see something that indicates simply what I’m going to expect when I want to use the network itself. Signal and network mean something far less important than just knowing how good the service will be.

It’s going to matter even more in the coming years as the network density actually gets better (more towers in more places) and all the while data consumption will keep skyrocketing. Signal will always be high, and you’ll always be connected to the “4G” network, so then the only thing that actually matters is how GOOD the network actually is.

Staying hopeful

I’m extremely hopeful that the Apple, other mobile device manufacturers and the carriers will wise up to this. It’s unfortunately a shot in the dark because if carriers were to use actual network performance instead of bullshit marketing terms, then they might be held accountable. I’m of the mindset that something like this might need to be legislated for it to actually be put into place. That’s unfortunate. Too bad the carriers can’t be honest with us and give us the service that we’re paying for. I’ll still keep my fingers crossed.