Independent network tester RootMetrics on Wednesday released its latest nationwide test results on mobile network performance, reliability and speeds, and the results would indicate that not much has changed since last year: Verizon is the most dependable, but AT&T’s network is faster.

The comprehensive report ranks Verizon Wireless(s vz) highest overall in terms of reliability, awarding it the best scores among the four major operators in categories such as data, call, and text performance; but AT&T(s t) again took the highest marks in its speed index, though just barely.

Root didn’t spell out the average speeds it recorded in its 4.6 million tests in both indoor and outdoor locations. Rather it compiled a Root Score for each carrier, which factors in rote speed as well as more tangible use cases such as the time it takes to download 10 emails and how quickly the device establishes a connection…