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Brazil

Opensignal reports and analyses are the definitive guide to understanding the true experience consumers receive on mobile and broadband networks.

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Experienced Speed Tiers vs. Subscribed Speed Tiers: The Bottleneck of Home Wi-Fi

By Andrey Popov, Simon Lumb, July 2025

In this insight, we look at the percentage of households in a country achieving specific broadband speed levels, based on real-world measurements taken from users’ devices. Unlike operators’ and regulators’ reported data on speed tier adoption, these indicators reflect the entire delivery path, from content source to household to device, offering a more accurate and comprehensive picture of a country’s broadband reality.

Slow but steady: The quiet growth of brand MVNOs

By Robert Wyrzykowski, April 2025

Opensignal is analyzing the network and market performance of brand MVNOs, compared to MNOs. The MVNOs see sometimes inferior mobile network experience but are still gaining subscribers from MNOs, due to the factors subscribers value in their market choices.

Brazilian mobile networks take the spotlight ahead of Lady Gaga’s concert in Copacabana

By Rupert Bapty, April 2025

In this report, we look at the mobile experience Claro, TIM and Vivo provide in the Copacabana neighborhood ahead of Lady Gaga’s concert in May. We also compare the experience in Copacabana to the city-level experience in Rio de Janeiro and that seen across Brazil.

Brazilian mobile networks remain robust during this year’s Carnival

By Rupert Bapty, March 2025

In this report we look at our users’ experience during the 2025 Carnival period in four of Brazil’s largest cities, popular for their Carnival celebration — São Paulo, Rio de Janeiro, Salvador and Recife.

A ótima experiência móvel é motivo de comemoração no Carnaval do Rio de Janeiro

By Rupert Bapty, February 2025

Neste relatório, analisamos como a experiência do usuário na Claro, TIM e Vivo muda durante o Carnaval. Usando dados da semana do festival de 2024, avaliamos qual operadora apresentou o melhor desempenho no Rio de Janeiro e quais redes resistiram melhor ao afluxo de usuários.

Great mobile experience is cause for celebration during Carnival in Rio de Janeiro

By Rupert Bapty, February 2025

In this report, we analyze how user experience on Claro, TIM, and Vivo shifts during Carnival. Using data from the 2024 festival week, we assess which operator delivered the best performance in Rio de Janeiro, and which networks held up best to the influx of users.

Brazil, January 2025, Mobile Network Experience

By Rupert Bapty, January 2025

TIM remains top for Consistent Quality, the fastest average download speeds are with Vivo and Claro takes home Reliability Experience.