- Data Speed-AT&T had the fastest download data speed for receiving photos, streaming content and other app-related content. Verizon had the fastest upload speeds for posting on social media sites, posting videos and photographs.
- Data Reliability-AT&T had the best rate of success for completing data tasks.
- Video Streaming-AT&T had the best scores for video streaming experiences such as the fastest loading times, least amount of buffering and highest video quality.
- Voice Calls-T-Mobile had the best quality phone calls according to GWS while AT&T had the fewest number of dropped calls and the highest percentage of completed calls.
During the year, AT&T was the leader in using 5-channel aggregation, a method that increases capacity leading to faster download data speeds. Other tools used by U.S. carriers in 2019 included 4 X 4 MIMO (increasing the number of connections between a cell site and a phone) and antenna beamforming (focusing the antenna on the target).
Global Wireless Solutions names AT&T the best U.S. carrier for 2019
The test found that the most important and common activity done by U.S. smartphone owners with their handset is to make and take phone calls. A third of those surveyed said that they could not earn a living without their mobile phone, and the majority of Americans care more about the reliability of their wireless provider than the speed of the network.