Apple possibly throttling data transfer speeds on certain iPhone 7 models

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Date: Monday, November 21st, 2016, 05:48
Category: Hardware, iPhone, News, Samsung

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The bad news is that Apple may be throttling the LTE performance on the Verizon iPhone 7 to keep it on par with the AT&T model. According to research conducted by Twin Prime and Cellular Insights, the Verizon iPhone 7 performs about as well as the AT&T iPhone 7, but it does not reach the data transfer speeds that it is capable of hitting.

The Verizon (and Sprint) iPhone 7 models use different LTE hardware than the AT&T (and T-Mobile) iPhone 7 models, adopting a Qualcomm LTE modem instead of an Intel LTE modem.

The Qualcomm modem is capable of reaching a maximum theoretical download speeds of 600Mb/s, while the Intel LTE modem tops out at 450Mb/s, but the Qualcomm-equipped Verizon iPhone 7 is only marginally outperforming the AT&T iPhone 7. Researchers believe Apple may be hobbling the Verizon iPhone 7 by not taking advantage of “a crucial component,” thereby ensuring all models of the iPhone 7 perform at a similar level.


Field tests show the Verizon iPhone 7 as “a little faster” than its AT&T counterpart, but not as fast as it could be. Tests were conducted by comparing iPhone 7 performance on the Verizon network to a Samsung Galaxy S7, which also uses the Qualcomm X12. Data collected from more than 100,000 phones downloading the same image indicates the S7 was twice as fast as the iPhone 7.

Apple offered the following comment on the situation:

“Every iPhone 7 and iPhone 7 Plus meets or exceeds all of Apple’s wireless performance standards, quality metrics, and reliability testing. In all of our rigorous lab tests based on wireless industry standards, in thousands of hours of real-world field testing, and in extensive carrier partner testing, the data shows there is no discernible difference in the wireless performance of any of the models.”

Past testing by Cellular Insights suggests that data speeds change somewhat when signal strength is an issue. In areas of weak reception, the Verizon iPhone noticeably outperforms the AT&T iPhone by maintaining a stronger connection and enabling faster low-signal transfer speeds.

Other network testing companies have stated that reliably measuring data transfer speeds is difficult due to the many factors that can affect performance, but the information collected from Cellular Insights and Twin Prime was not disputed.

Stay tuned for additional details as they become available.

Via MacRumors and Bloomberg

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