Opensignal runs thousands of speed and network coverage tests in the United States and collects lots of information about these carriers over time which Opensignal then uses to compile its Mobile Network Experience Report. The latest report covers data collected between March 16 and July 13, which is just under four months. Among the data collected, Opensignal awards each carrier in five main categories including: 4G availability, Video experience, Download Speed Experience, Upload Speed Experience, and Latency Experience. Starting with 4G Availability, this metric is calculated...
Source: https://www.gsmarena.com/opensignals_latest_report_recognizes_tmobile_and_verizon_as_best_carriers_in_different_categories-news-38137.php
