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RootMetrics Returns to Seattle to Test 4G Networks, Results Show Verizon Bumps Sprint Out of Top Spot

  (October 17, 2011)

Bellevue, Wash. (PRWEB) October 17, 2011

RootMetrics, the first independent service to measure mobile experience from a consumers point of view, announced today the latest Seattle RootScore Report and corresponding RootScore Awards. This is RootMetrics second visit to the Seattle market, having previously reported on the area in April 2011. This comprehensive new report analyzes results from more than 27,000 real-world data, call and text tests and ranks Sprint, T-Mobile, AT&T and Verizon on their performance. The data reveals which carrier provided the fastest data network (Verizon), shows that all four carriers deliver about equal call performance, and once again shows T-Mobile as the carrier with the fastest text service. This time, Verizons LTE network received the highest combined score of 87.1 out of a possible 100. There was a statistical tie for second place between AT&T (52) and T-Mobile (51). Sprint, which previously held the highest score in the earlier report, recorded the lowest score among all four carriers (41.9).

There were notable differences between the October and April reports. In particular, this time RootMetrics was able to test Verizons LTE network, test AT&Ts network with an HSPA+ 21 phone, test upload speeds after AT&Ts firmware patch for HSUPA and test T-Mobiles network with a device capable of greater upload speeds. Both Verizon and AT&T showed marked improvements in data speeds.

The mobile landscape in Seattle has changed significantly in the past few months, and we wanted to experience the impact of the recent network upgrades and changes in device availability, said Bill Moore, CEO of RootMetrics. In Seattle and every location we visit were working to provide consumers with a true picture of the major carriers performance. The differences in our two Seattle reports illustrate that carrier performance varies and changes and upgrades can positively or negatively impact your mobile experience. The information from our reports empowers consumers to make better decisions about the best carrier for their mobile habits.

Which Carrier Scores Soared in Seattle?    
To evaluate the Seattle area, RootMetrics conducted more than 27,000 call, data and text tests during a seven day period, covering all hours of the day and night, from September 16- 22, 2011. The real-world tests were conducted using the RootMetrics RootScore app running off-the-shelf Android-based consumer smartphones from carriers stores. Tests centered on activities that consumers perform most often: making phone calls, uploading and downloading files from the Internet, and sending and receiving texts.

  • Data Performance: The RootMetrics data performance tests analyze how fast each carriers network was able to download and upload files, and how often a customer could successfully connect to the data network. All of the carriers showed improvement in average download and upload speeds in the latest round of testing. Verizons LTE network offered the fastest average and maximum speeds for both downloading and uploading data. Verizons 14.5 Mbps average download speed was faster than the maximum download speed for any other carrier.

Since the last Seattle RootScore Report in April, Verizons average download speed was 21.5x times faster and its average upload speed was 20x faster.

AT&T improved speeds as well. More than doubling its average download speed, AT&T moved from a third place finish in April to a second place finish in the recent tests.

T-Mobiles speeds increased at a less dramatic rate, while Sprints average download speed actually declined.

  • Call Performance: When it comes to call performance in Seattle, all four carriers delivered statistically equal performances, resulting in a draw.
  • Text Performance: RootMetrics performed a series of tests to determine how long it takes to send or receive a text message (SMS) from each carrier. Similar to the last RootScore Report, T-Mobile placed first in the texting category. The carrier has been first in every market RootMetrics has tested in 2011. Sprint was the only carrier slower at delivering a text to a phone within its own network than it was with its overall median delivery time.
  • Overall: Due to the strong results on Verizons LTE network for data and call performance, it is the recipient of the RootScore Award Combined for Seattle. The final results are:

1 Verizon (87.1)
2 AT&T (52)
2 T-Mobile (51)
4 Sprint (41.9)    

The October Seattle RootScore Report is the latest in an ongoing series of performance measurement reports and corresponding RootScore Awards from RootMetrics. Earlier reports covered Seattle; Dallas; Washington, D.C.; Miami; Chicago; Houston; Los Angeles; Atlanta; Boston; New York; San Francisco; San Jose; Philadelphia; Denver; Minneapolis; Phoenix; St. Louis; Buffalo, New York; Portland; Riverside-San Bernadino, Calif.; Virginia Beach, Va.; Pittsburgh; Sacramento, Calif; Kansas City; Cincinnati, Cleveland, Dallas (October) and Milwaukee. The company will continue to publish additional reports on U.S. wireless markets to help consumers make better decisions about the right carrier for their individual needs.

Consumers who are interested to see how their network coverage measures up can download the free RootMetrics Cell Phone Coverage Map App for iPhone or Android devices.

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 Cell Phone Coverage Map Apps allow people to make better decisions about the right carrier for their individual needs.

About RootMetrics

Bellevue, Washington-based RootMetrics is building a movement to create a more open mobile market that democratizes mobile performance data. Deploying a sophisticated smartphone application, RootMetrics partners with consumers to collect network signal strength and data throughput speeds, aggregating collected metrics into easy-to-understand maps that rate each carriers performance. This comparative data provides transparency into comparative carrier performance down to the most granular levels. For more information, please visit


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