Verizon Remains Top-Performing Carrier in Denver

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RootMetrics Report: AT&T’s LTE Service Shows Gains in Data Speed Since July 2012 Report

Independent mobile analytics firm and consumer advocate RootMetrics™ announced today the latest Denver RootScore™ Report and corresponding RootScore Awards. The company provides free mobile performance information to help consumers make more informed decisions and improve their mobile lives. In this fourth report on the Mile High City, RootMetrics noted that Verizon’s LTE network had the strongest overall mobile performance.

To mirror a typical consumer’s mobile experience in the Denver area, RootMetrics measured performance both indoors and outdoors, across all hours of the day and night, undertaking nearly 30,000 tests based on how people use their smartphones most frequently.

The Denver data speed story
Verizon is no longer the only carrier in town with an LTE network. Since RootMetrics last visited Denver in July 2012, AT&T also rolled out its LTE service and RootMetrics observed that the carrier’s average download speeds jumped dramatically. In the new Denver RootScore Report, AT&T’s 12.2 Mbps average download speed is running neck-and-neck with Verizon’s 12.7 Mbps mark. Verizon managed to pull away in the average upload tests, though, recording a speedy 7.8 Mbps compared to AT&T’s second-place mark of 4.8 Mbps.

T-Mobile made news last week with the initial launch of their LTE network. T-Mobile does not yet offer LTE in Denver but their 7.7 Mbps average download speed was very fast and provides them with a strong foundation for future LTE expansion in the Denver market.

Cricket and Sprint both showed improvement from the last Denver report in the carriers’ rate of text speed.

Verizon Stays on Top
RootMetrics analyzed the test results in order to share real-world data with consumers on which carrier provided the fastest and most reliable data network, which carrier had the fewest blocked and dropped calls, and which carrier offered the fastest text service.

  •     Carrier Speeds: The RootMetrics data performance tests analyzed how fast each carrier’s network was able to download and upload files, as well as how fast and reliably each network could download email and load web pages or apps.

Winning the data category, Verizon performed strongly in RootMetrics’ testing of network speed, email delivery, and web and app loading.

Verizon’s network delivered the fastest average download speed in Denver at 12.7 Mbps and an average upload speed of 7.8 Mbps. Right on the heels of Verizon, AT&T’s average download speed was 12.2 Mbps. However, average upload was significantly slower than Verizon at 4.8 Mbps. T-Mobile delivered a speedy average download speed of 7.7 Mbps. Sprint’s network provided an average download speed of 1.6 Mbps. Cricket’s average download speed of 0.7 Mbps and average upload speed of 0.4 Mbps were the slowest of all five carriers RootMetrics tested in Denver.

  •     Downloading Emails the Fastest in Denver

To provide some context around these data speeds, RootMetrics measured the average time it took to download a set of 10 emails during its testing in Denver. Verizon was the fastest, at 3.4 seconds, but AT&T was not far behind at 4.4 seconds. With average times above 8 seconds, Cricket and Sprint customers could be waiting longer than friends on other networks.

  •     Browsing the Web or Using Apps

In tests to load a typical webpage or app, RootMetrics found that Verizon and AT&T were fastest, at 0.4 and 0.7 seconds, respectively. T-Mobile trailed just a bit behind, at 0.9 seconds. Cricket and Sprint took the longest time loading, measuring 2.1 and 4.6 seconds.

  •     Network Reliability Score: RootMetrics looked at two factors during its network reliability testing: 1) how often each carrier successfully connected to the network and 2) once connected, how reliable each carrier was at completing the speed tests, successfully downloading emails, and loading web pages and apps. Verizon achieved the highest Network Reliability Score at 99.3. T-Mobile and AT&T were close behind at 97.8 and 97.7, respectively. Sprint’s score was 91.6, and Cricket trailed the group at 90.9.
  •     Call Performance: RootMetrics analyzed call performance by measuring both dropped calls and blocked calls (the inability to place an outgoing call). Call performance was strong across all carriers, but T-Mobile had the strongest performance in Denver and won the category.
  •     Text Performance: To replicate the most typical user experience, RootMetrics compared how long it took each carrier to send and receive text messages. Denver has great options when it comes to carriers with strong text performance. As a result, there was no clear winner in this category. All carriers delivered texts in less than 10 seconds at least 94% of the time. Cricket offered the fastest texting services, recording average overall delivery times of approximately 3.2 seconds.
  •     Overall: Verizon had the strongest overall mobile performance in Denver and won the combined category. The final results are:

1 – Verizon (94)
2 – AT&T (89)
2 – T-Mobile (88)
4 – Sprint (67)
4 – Cricket (63)

The April 2013 Denver RootScore Report is the latest in an ongoing series of performance measurement reports and corresponding RootScore Awards from RootMetrics. The company will continue to publish additional reports for markets to help consumers make better decisions about the right carrier for his or her individual needs. Consumers who are interested to see how their network performs compared to other carriers in Denver or elsewhere can download the free RootMetrics CoverageMap app for iPhone or Android devices. Review all RootScore reports at

To evaluate the mobile experience in the Denver area, RootMetrics conducted 29,903 call, data, and text tests, covering all hours of the day and night from February 27 – March 5, 2013. The tests, designed to mirror a typical consumer’s mobile experience, were conducted using the RootMetrics RootScout™ app running on Android-based, off-the-shelf consumer smartphones purchased from carrier stores. To ensure that testing aligns with the consumer experience, RootMetrics conducts tests on activities that consumers perform most often: making phone calls, uploading and downloading files from the Internet, browsing the web and using apps, downloading email and sending and receiving texts. To reflect how consumers’ use their phones on a daily basis, tests were conducted both indoors (at 31 locations) and outdoors during drive tests (covering 879 miles).

Mobile performance varies depending on where people live, work, or otherwise spend time.
The results of this report, combined with the geographical coverage maps at and via the CoverageMap app, allow people to make better decisions about the right carrier for their individual needs.

About RootMetrics™
Based in Bellevue, WA, RootMetrics is an independent company that provides accurate and unbiased mobile performance data to consumers via coverage maps, market-specific RootScore Reports, and a free downloadable app for use on either Android or iOS devices. To ensure that RootMetrics testing reflects a typical consumer’s mobile experience, testing is conducted based on where, when, and how consumers use their devices most often. With data that is accurate and trusted by consumers and carriers, RootMetrics provides tools that empower consumers to find products and services that best fit their unique mobile needs.

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Ann Marie Ricard
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