Opensignal has released a new edition of its semiannual report on mobile network performance. It gives T-Mobile top marks in most categories, but with a much slimmer margin than in recent years. All three national network operators were within just a few percentage points in most categories such as "reliability" and "coverage". The big differences came in the data speed categories, where T-Mobile was observed to have average overall download speeds more than double that of the other carriers. Looking only at 5G connections, T-Mobile's download speeds were 38% faster than Verizon and 11% faster than AT&T. T-Mobile's overall upload speeds were roughly 55% better than its competitors, but just around 11% better when looking only at 5G uploads. The most dramatic improvement has been AT&T's 5G download speeds, which have improved 21% in just the past six months. Opensignal collects its data from the phones of people who have the Opensignal app installed on their phone.
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Jul 22, 2026, 11:35 AM by Rich Brome @rbrome.bsky.social
Opensignal has released a new edition of its semiannual report on mobile network performance. It gives T-Mobile top marks in most categories, but with a much slimmer margin than in recent years. All three national network operators were within just a few percentage points in most categories such as "reliability" and "coverage". The big differences came in the data speed categories, where T-Mobile was observed to have average overall download speeds more than double that of the other carriers. Looking only at 5G connections, T-Mobile's download speeds were 38% faster than Verizon and 11% faster than AT&T. T-Mobile's overall upload speeds were roughly 55% better than its competitors, but just around 11% better when looking only at 5G uploads. The most dramatic improvement has been AT&T's 5G download speeds, which have improved 21% in just the past six months. Opensignal collects its data from the phones of people who have the Opensignal app installed on their phone.
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