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The new iPhone 16e is equipped with Apple's custom-designed C1 modem for 5G and LTE connectivity, whereas all other current iPhone models rely on Qualcomm modems. While the average customer is unlikely to care about this change, it is a big deal for Apple, which had been working on its own cellular modem since at least 2018.

apple-c1.jpg

We are still waiting on C1 modem speed tests, but it is expected that Apple's first modem will provide slower 5G speeds compared to Qualcomm's Snapdragon X71 modem in iPhone 16 models. Apple surely aims to eventually catch up to or even surpass Qualcomm in modem performance, but that goal might take several years.

In the meantime, Apple says the C1 modem is already the most power-efficient modem in an iPhone ever, contributing to the iPhone 16e offering the longest battery life of any 6.1-inch iPhone model, including the regular iPhone 16. Apple is known for having excellent hardware and software integration, and this is the latest example of that.

Apple has repeatedly said the C1 modem is just the start. In a press release this week, focused on U.S. manufacturing commitments, Apple heavily implied that it will release additional devices with custom 5G modems in the future.

From the announcement, emphasis ours:
Apple C1 adds a new chapter to the story of Apple silicon and is the result of years of R&D investment, bringing together the work of thousands of engineers. Apple C1 is the start of a long-term strategy that will allow Apple to innovate and optimize the modem system for additional Apple products.
Which devices might get an Apple-designed modem next?

According to Apple supply chain analyst Ming-Chi Kuo, the ultra-thin iPhone 17 Air coming later this year will also feature the C1 modem.

In addition, cellular iPad 11 configurations would be a good candidate for the C1 modem. Apple is expected to announce the iPad 11 in March or April.

Beyond that, Bloomberg's Mark Gurman reported that Apple has considered adding 5G modems to future Mac and Vision Pro models.

Apple has publicly acknowledged that it starts developing future A-series processors for iPhones up to four years in advance, and that likely applies to C-series modems as well. Gurman and others have said that Apple is already working on C2 and C3 modems. With the C2 modem, Apple is aiming to add mmWave 5G support. With the C3 modem, Apple is apparently aiming to outperform Qualcomm's modems.

All four iPhone 18 models, and the iPad Pro, could be equipped with the C2 modem.

Further out, Apple is expected to merge the modem into the iPhone's A-series chip.

Why did Apple develop its own iPhone modem? One, it eliminates the risk of relying on an external supplier, especially for single-sourced components like Qualcomm's modems. Second, Apple has had a rocky relationship with Qualcomm. The two companies did settle a lawsuit and extend their modem supply agreement for iPhones through March 2027, but Apple is likely aiming to avoid extending that contract any further.

Apple initially tried to reduce its reliance on Qualcomm by using Intel modems in some iPhone models, from the iPhone 7 through to the iPhone 11 series. However, this was a controversial decision, as tests showed the Intel modems had inferior performance compared to the Qualcomm modems. Apple returned to using exclusively Qualcomm modems when iPhone 12 models ushered in the 5G era, but it also decided to design its own modem as a longer-term solution. In 2019, Apple acquired the majority of Intel's smartphone modem business, and now the C1 modem has finally debuted after years of development.

Eventually, every cellular Apple device will likely have a C-series modem.

Article Link: Apple Says Its 5G Modem Will Come to More Devices, Here's Which Ones
 
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Introducing AirPods with C1, with 5G connectivity you can stream your favorite music anywhere. We think you're going to love it.
 
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We are still waiting on C1 modem speed tests, but it is expected that Apple's first modem will provide slower 5G speeds compared to Qualcomm's Snapdragon X75 modem in iPhone 16 models.
:confused:


Notably, the teardown revealed that the ‌iPhone 16 Pro‌ models are using a Qualcomm SDX71M modem, which is a custom version of the SDX70M modem used in the iPhone 15 Pro models. Rumors had suggested the Pro models would include the Qualcomm X75 modem, which doesn't appear to be the case.
 
:confused:


Notably, the teardown revealed that the ‌iPhone 16 Pro‌ models are using a Qualcomm SDX71M modem, which is a custom version of the SDX70M modem used in the iPhone 15 Pro models. Rumors had suggested the Pro models would include the Qualcomm X75 modem, which doesn't appear to be the case.
Thanks for posting that since they have been repeating that here every time they write about the C1.
 
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If all we care about is power efficiency, which frankly sounds like an excuse for poor network speeds, why not just go back to 4G LTE? :D
Basically they are just testing this out on users that buy the 16e but since they expect the c3 to outperform the Qualcomm modems they must anticipate dramatic upgrades to the C1.

Hopefully the 16's have an x76 custom model so 5.5G is supported.
 
All four iPhone 18 models, and the iPad Pro, could be equipped with the C2 modem.
How is that going to work when they’re still in contract to use Qualcomm modems through 2027? They’ll still be required to have at least some iPhones with a Qualcomm modem until the 19s.
 
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Love MacRumors but hope we don't see more titles that are clickbait-adjacent like this. Maybe I'm reading it wrong, but this echoes in a small way now-rampant headlines like "This major airline now flies to this popular spring break destination."
 
How about we turn on that FM radio feature. Oh that's right, that's free music 😡
Features like that may be present in the hardware but will require a licensing fee from the parts supplier for activation.

Did Apple design the C1 part to have that feature? Likely not to save on silicon area & R&D cost.
 
I don't understand all the hate here. We don't have any performance tests at the moment. I think that most people wouldn't even notice a 10% slower performance in wireless networks (compared to another phone that they only heard about) but would be very happy about some more battery time.

And I also don't understand why everyone claims that Apple testes poorly. The tested it with 160 carriers in 55 countries (if I remember correctly). I agree - Apples product quality is not what in was some years ago. But shi**y hardware is usually not the problem. And sometime is the time when you have to make the first step. Sometime you need to get data from real live experience.

Apple definitely doesn't want another antenna-gate.

I think (and hope) that most people will not even realize that they have something new from Apple in their new phone.
 
Bottom line is that Tim Cook’s putting profit margins before product performance here. But sure, let’s make excuses for it…

The whole power efficiency argument is such a poor excuse. No kidding it’s power efficient if it doesn’t do anything.
I'd say consumers care more about battery life than high-band 5G.
 
Bottom line is that Tim Cook’s putting profit margins before product performance here. But sure, let’s make excuses for it…

The whole power efficiency argument is such a poor excuse. No kidding it’s power efficient if it doesn’t do anything.
You don’t even have product performance data…

And every public company has an obligation to put profit margins first. That’s how a company works.
 
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iPhones have always been famous for bad cellular performance, comparing with ALL OTHER smartphones, mostly with Qualcomm chips as well. By moving to its own cellular chips, most likely iPhones’ cellular performance would degrade than improve.
 
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Introducing AirPods with C1, with 5G connectivity you can stream your favorite music anywhere. We think you're going to love it.
This is no longer outside of the realm of possibility. Until now, a cellular chip in devices with such a small battery would've drained them in an unacceptably short period. If the C series chip is as efficient as it appears to be, including them in AirPods Pro becomes viable. The C1 chip would require further miniaturization before including them directly in AirPods but the current size could fit in the case which is a better place for them since you only need one for both AirPods.
 
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This is good. With better efficiency, the iPhone battery won't need to be so large. I'm looking forward to thinner and lighter phones...
 
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