Mobile coverage in Brazil
Brazil's mobile network is served by four main operators: Claro, Vivo, TIM Brasil, and Oi. 4G LTE coverage is widely available across São Paulo, Rio de Janeiro, Brasilia, Salvador, Recife, Fortaleza, and all major cities, with coverage extending along primary highways and coastal routes. The Amazon basin, including Manaus and surrounding jungle regions, has coverage in city centres but signal drops significantly outside urban boundaries in the rainforest. Remote areas of the Cerrado, Pantanal wetlands, and the far north near the Venezuelan and Guyanese borders may have very limited or no coverage. MobiSIM connects through supported local networks to deliver reliable data across Brazil's main cities, coastal destinations, and tourist corridors.

