Claro S.A. 4G and 5G network coverage across Brazil as of 2026

Claro Brazil Review: Coverage, Speed & Network Performance 2026

Claro S.A. delivers 98% 4G population coverage and 54% 5G population coverage across Brazil, serving 87.1 million mobile subscribers with average 5G download speeds recognized as Brazil's fastest by Ookla for Q1–Q2 and Q3–Q4 2025. This review covers network performance, customer service, eSIM availability, roaming, and a full competitor comparison against Vivo and TIM Brasil.

Introduction

Brazil's second-largest mobile operator by subscriber count, Claro S.A., operates as a fully owned subsidiary of México-based América Móvil S.A.B. de C.V., providing 4G, 5G, fixed broadband, and pay-TV services to 87.1 million mobile subscribers across all 26 Brazilian states and the Federal District, capturing approximately 33–34% of Brazil's mobile market share, according to Teleco industry analysis published Q4 2024.

Claro S.A. ranks as Brazil's fastest 5G mobile network in 2026, earning five Ookla Speedtest Awards for Q3–Q4 2025: Best 5G Network, Fastest 5G Network, Best 5G Video Experience, Best 5G Gaming Experience, and Top-Rated Fixed Network — achieving a Speedtest Connectivity Score™ of 81.05, according to the Ookla Speedtest Awards Brazil 2025. This performance record positions Claro as the premium choice for subscribers who prioritize raw data speed, streaming quality, and mobile gaming connectivity.

This review covers Claro's 4G and 5G network coverage percentages, city-level speed test data across São Paulo, Rio de Janeiro, and Brasília, customer service channels, international roaming reach, eSIM support, the Meu Claro app, and a full competitive comparison against Vivo (Telefônica Brasil) and TIM Brasil.

Explore Vivo's full carrier review and TIM Brasil's network analysis for additional mobile carrier options in Brazil.

Network Coverage And Performance

Claro covers approximately 98% of Brazil's population with 4G LTE service and 54.0% with 5G networks. Claro's 5G footprint spans 317 municipalities served by 12,595 active 5G cell sites as of May 2025, according to the TeleGeography 5G Progress Report: Brazil published July 2025.

Geographic 4G coverage extends across all 27 federative units, with the strongest signal density concentrated in Brazil's Southeast region — São Paulo, Rio de Janeiro, and Minas Gerais — which accounts for 42% of the country's total population and economic activity, according to IMARC Group Brazil Telecom Market Report 2025. Rural and remote Amazonian areas represent the primary coverage gap, consistent with all three major national operators.

4G And 5G Availability

Claro's 4G LTE network operates on spectrum bands including 700 MHz, 1.800 MHz, 2.100 MHz, and 2.600 MHz, providing nationwide coverage to all states. Claro's 5G service, launched July 2022, operates on 2.3 GHz, 3.5 GHz, and 26 GHz spectrum acquired during Brazil's 5G auction, enabling both sub-6 GHz mid-band performance and mmWave ultra-dense urban deployments, according to TeleGeography 5G Progress Report: Brazil published July 2025.

Brazil's national 5G population coverage reached 68.39% by Q4 2025, surpassing the government's 2027 target ahead of schedule, according to Anatel (Brazil's National Telecommunications Agency) Q4 2025 connectivity report published March 2026. Claro's individual 5G footprint of 54.0% places it behind Vivo's broader coverage reach but ahead on measured speed performance.

Claro's strongest 5G deployments cover the following major metropolitan areas: São Paulo (full urban coverage), Rio de Janeiro, Brasília, Belo Horizonte, Porto Alegre, Curitiba, Fortaleza, Salvador, Recife, Manaus, Belém, Campinas, Goiânia, Florianópolis, and 14 additional cities, totaling 18 cities with active 5G speeds exceeding 1 Gbps as of early 2026.

Speed Test Results

Claro delivers Brazil's highest 5G Speed Score of 71.75 for Q1–Q2 2025, according to the Ookla Speedtest Awards Brazil Q1–Q2 2025. The table below shows representative speed measurements across Brazil's three largest cities.

Learn more about 5G network performance in Brazil for detailed technical comparisons across all major operators.

Claro S.A. Company Profile

Claro S.A. is a wholly owned Brazilian subsidiary of América Móvil S.A.B. de C.V., the largest telecommunications company in Latin America, headquartered in Mexico City and traded on the New York Stock Exchange under the ticker symbol AMX. Claro Brasil was established in 2003 following América Móvil's consolidation of multiple regional Brazilian operators including BCP, Americel, and Telet.

Claro's 2025 projected revenue reached R$ 50.2 billion, reflecting 4.8% operating revenue growth year-over-year, according to Matrix BCG Growth Strategy Analysis published March 2026. The company's postpaid mobile customer base exceeded 50 million active users in early 2026, with EBITDA rising 7.1% year-over-year reflecting continued operational efficiency improvements.

Customer Service And Support

Claro operates customer service through 5 primary channels — phone, live chat, mobile app, physical stores, and social media — with 24/7 availability across all digital channels. Customer satisfaction on Trustpilot stands at 1.9 out of 5.0 based on 109 published reviews as of 2025, according to Trustpilot claro.com.br profile published 2025, reflecting common complaints around billing disputes and contract cancellation processes.

• Phone Support: Dial 113 (from Claro lines) or +55 11 1052-1052 (from other lines) — available 24 hours a day, 7 days a week in Portuguese and English

• Live Chat: Available 24/7 via the Meu Claro app and claro.com.br website, with support in both Portuguese and English for international visitors through the Claro Flex app

• Physical Stores: Over 15,000 points of sale across Brazil, including standalone Claro stores in São Paulo, Rio de Janeiro, Brasília, Belo Horizonte, and Porto Alegre, plus authorized resellers in major drugstore and supermarket chains

• Mobile App Support: In-app ticket system and chat available through the Meu Claro app (iOS and Android), rated 3.2 stars on the Apple App Store

• Social Media Support: Active support through Twitter/X (@ClaroAtende), Facebook Messenger, and WhatsApp Business channel

Compare customer service options in the comprehensive Brazil carrier support comparison guide.

Additional Services And Features

Claro S.A. provides international roaming, eSIM activation, a loyalty rewards program, family plan bundles, and 5G Fixed Wireless Access (Claro 5G+) as core value-added services. These services extend Claro's utility beyond standard mobile connectivity for both domestic and international subscribers.

• International Roaming: Claro's roaming service covers over 180 countries across Europe, North America, South America, Asia-Pacific, Africa, and the Middle East. International visitors in Brazil access voice and data coverage across all 26 states and the Federal District through Claro's 4G and 5G roaming infrastructure, according to the Claro official international visitors page.

• eSIM Support: Claro supports eSIM activation for both resident and tourist subscribers. International visitors activate eSIM through the Claro Flex app ("Claro Flex Pass"), selecting "I'm an international visitor" at registration and completing payment in-app within minutes. Resident subscribers activate eSIM in-store at any official Claro location.

• Meu Claro App Features: The Meu Claro app delivers data usage tracking in real time, bill payment and invoice history, plan upgrades and downgrades, customer support chat, roaming package management, store locator, and loyalty rewards tracking — available on iOS and Android.

• Claro Clube (Loyalty Program): The Claro Clube rewards program awards points on monthly plan payments redeemable for streaming platform credits (Claro Video, HBO Max partnerships), device discounts, and entertainment vouchers at partner merchants across Brazil.

• 5G Fixed Wireless Access — Claro 5G+: Launched August 2023, Claro 5G+ delivers fixed broadband replacement speeds up to 1 Gbps for residential and SMB customers in São Paulo, Campinas, Rio de Janeiro, Porto Alegre, and Brasília, with expansion ongoing.

• Family And Convergent Plans: Claro bundles mobile, fixed fiber broadband, and pay-TV (Claro TV+) into convergent packages with multi-line mobile discounts for family members on the same account.

Discover more about eSIM activation in Brazil for a step-by-step setup tutorial on compatible devices.

Claro Brazil Pros And Cons

Claro Brazil key strengths and weaknesses at a glance

Advantages

• Brazil's Fastest 5G Network (2025–2026): Claro earned five Ookla Speedtest Awards for Q3–Q4 2025 — Best 5G Network, Fastest 5G Network, Best 5G Video Experience, Best 5G Gaming Experience, and Top-Rated Fixed Network — with a Speedtest Connectivity Score™ of 81.05, according to Ookla Speedtest Awards Brazil published March 2026.

• Near-Universal 4G Coverage: Claro's 4G LTE network reaches approximately 98% of Brazil's population, covering all 26 states and the Federal District, according to Claro's official international visitors page and telecom industry coverage analyses.

• Largest Fixed Services Provider: Claro leads Brazil's fixed broadband market with a 20.0% share and dominates pay-TV with a 44.7% share as of Q3 2024, according to PESTEL Analysis Growth Strategy report published September 2025.

• Comprehensive eSIM Support: Claro supports eSIM for both residents and international tourists via the Claro Flex Pass — one of the few Brazilian operators to offer a fully digital, in-app eSIM activation path with English-language support available 24/7.

• Widest Retail Distribution Network: Over 15,000 points of sale across Brazil include standalone stores, authorized Drogasil and Drogaria Araujo pharmacies, and Carrefour and Extra supermarket locations, ensuring SIM card and support access in nearly every Brazilian municipality.

Disadvantages

• Low Customer Satisfaction Score: Claro's Trustpilot rating stands at 1.9 out of 5.0 based on 109 verified reviews as of 2025, with recurring complaints about billing accuracy, contract cancellation difficulties, and in-store service inconsistency.

• 5G Coverage Lags Behind Vivo: Claro's 5G population coverage of 54.0% (May 2025) trails Vivo's broader 5G footprint, leaving subscribers in smaller cities and rural areas without access to 5G speeds despite Claro's superior performance where 5G is deployed.

• Third-Place Mobile Market Share: Claro holds approximately 33–34% of Brazil's mobile market compared to Vivo's leading ~38% share, meaning Claro's network investment scale per subscriber may prioritize urban densification over rural expansion.

Claro Vs Competitors In Brazil

Brazil's mobile market concentrates approximately 94% of all accesses among three operators — Vivo (Telefônica Brasil), Claro S.A., and TIM Brasil — with Vivo leading by subscriber volume, Claro leading by 5G speed, and TIM Brasil competing primarily on value-tier postpaid plans, according to Anatel market data published January 2026.

Claro excels for subscribers who prioritize peak 5G download speeds, streaming quality, and mobile gaming performance in major metropolitan areas. Vivo serves subscribers who require the widest 5G geographic footprint and highest total subscriber reliability. TIM Brasil targets cost-conscious postpaid users seeking competitive per-GB rates on a solid 4G backbone.

Read the detailed Claro vs Vivo Brazil comparison or explore TIM Brasil's full network review for alternative options.

Frequently Asked Questions About Claro Brazil

Does Claro Brazil Have 5G Coverage In Brazil?

Claro Brazil provides 5G coverage to 54.0% of Brazil's population across 317 municipalities as of May 2025. Claro launched 5G commercially in July 2022, operating on 2.3 GHz, 3.5 GHz, and 26 GHz spectrum bands. The network supports 16.1 million active 5G subscriptions and delivers Brazil's fastest 5G speeds, earning five Ookla Speedtest Awards for Q3–Q4 2025, according to TeleGeography 5G Progress Report: Brazil published July 2025.

How Fast Is Claro Brazil's Mobile Internet Speed?

Claro Brazil achieves a 5G Speed Score of 71.75 and a national 4G average download speed of 33.53 Mbps. In 5G-active cities, Claro reaches peak download speeds of 72.35 Mbps in São Paulo and exceeds 1 Gbps in select dense urban 5G+ deployments. Claro ranked as Brazil's fastest 5G mobile network in both Q1–Q2 and Q3–Q4 2025 by Ookla, surpassing TIM Brasil (62.80 Mbps) and Vivo (62.38 Mbps) on 5G average download speed, according to Ookla Speedtest Awards Brazil 2025.

What Areas Does Claro Brazil Cover In Brazil?

Claro's 4G LTE network covers approximately 98% of Brazil's population across all 26 states and the Federal District. The strongest coverage density exists in the Southeast region — São Paulo, Rio de Janeiro, Espírito Santo, and Minas Gerais — and major urban centers including Brasília, Belo Horizonte, Curitiba, Porto Alegre, Fortaleza, Salvador, Recife, Manaus, and Belém. Remote Amazonian municipalities and sparsely populated rural areas in the North and Center-West regions represent the primary 4G signal gaps, consistent with all three major national operators.

How Do I Contact Claro Brazil Customer Service?

Claro Brazil customer service is reachable by dialing 113 from any Claro line, available 24 hours a day, 7 days a week in Portuguese and English. International callers use +55 11 1052-1052. Additional contact channels include 24/7 live chat on claro.com.br and the Meu Claro app, social media support via Twitter/X @ClaroAtende and WhatsApp Business, and in-person assistance at over 15,000 points of sale and standalone Claro stores nationwide.

Does Claro Brazil Support eSIM?

Claro Brazil supports eSIM activation for both resident subscribers and international tourists visiting Brazil. International visitors activate Claro eSIM through the Claro Flex app by selecting "I'm an international visitor," registering, and completing payment in-app — with activation completed within minutes and 24/7 English-language in-app support available. Resident subscribers activate eSIM at any official Claro store with valid Brazilian CPF identification, according to the Claro Flex Pass official page published 2025.

What Countries Does Claro Brazil Roaming Cover?

Claro Brazil international roaming covers over 180 countries across six continents — Europe, North America, South America, Asia-Pacific, Africa, and the Middle East. Claro's roaming network uses both 4G and 5G connections where partner carrier infrastructure permits 5G roaming agreements. Outbound roaming packages and per-day roaming passes are manageable directly through the Meu Claro app without requiring a call to customer service, according to the Claro official international visitors page.

How Does Claro Brazil Compare To Vivo?

Claro delivers faster 5G speeds (72.35 Mbps vs Vivo's 62.38 Mbps average), while Vivo holds a larger subscriber base (~98 million vs Claro's 87.1 million) and broader 5G geographic coverage (~65% vs 54.0% population). Claro leads on raw 5G performance, streaming, and gaming experience — winning five Ookla Speedtest Awards Brazil Q3–Q4 2025 — while Vivo leads on total market share (~38%) and overall nationwide footprint. Subscribers prioritizing speed choose Claro; subscribers prioritizing widest rural 5G reach choose Vivo, according to Ookla Speedtest Awards and TeleGeography Brazil 5G Progress Report published 2025.

What Is The Best Claro Brazil Feature?

Claro Brazil's standout feature is its recognition as Brazil's fastest 5G mobile network, validated across four consecutive Ookla award periods in 2025. This performance extends beyond raw speed: Claro also earned Best 5G Video Experience and Best 5G Gaming Experience for Q3–Q4 2025, achieving a Speedtest Connectivity Score™ of 81.05 — meaning real-world 5G usage for streaming, cloud gaming, and high-bandwidth applications consistently outperforms all Brazilian competitors, according to Ookla Speedtest Awards published March 2026.

Conclusion

Claro S.A. is Brazil's fastest 5G carrier in 2026, best suited for urban subscribers in São Paulo, Rio de Janeiro, and Brasília who demand peak streaming, gaming, and data performance — visit claro.com.br to compare current plans.

Explore more mobile carrier options through the complete Brazil carrier directory or learn how to choose the right mobile carrier for your needs in Brazil.

Last Updated: April 15, 2026

Sources:

1. Ookla Speedtest Awards Brazil — Q1–Q2 2025 and Q3–Q4 2025, published March 2026

2. TeleGeography — 5G Progress Report: Brazil, published July 2025

3. Anatel via Telecompaper — Brazil Ends 2025 With Over 68% 5G Coverage, published March 2026

4. Telecompaper — Brazil Adds 6.8 Million Mobile Lines in 2025, published January 2026

5. Claro S.A. — Official Website claro.com.br

6. Trustpilot — Claro.com.br Customer Reviews, accessed 2025

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