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These Are The 7 Mobile Phones That Had The Most Problems In Brazil In 2024, According To Repair Shops And Reclame Aqui, With Repairs That Can Exceed R$ 2,000 For Consumers

Written by Valdemar Medeiros
Published on 23/08/2025 at 10:55
Estes são os 7 celulares que mais deram problema no Brasil em 2024, segundo assistências técnicas e Reclame Aqui, com reparos que podem passar de R$ 2 mil para os consumidores
Foto: IA
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Discover Which Models Stand Out as Defective Cell Phones in 2024 in Brazil. Know the Most Common Problems, Repair Costs Over R$ 2 Thousand, and Which Phones Are Most Faulty According to Technical Assistances and Reclame Aqui

In 2024, the Brazilian smartphone market recorded several devices with high complaint rates, resulting in significant repair costs for consumers. According to data from technical assistance and records on the Reclame Aqui portal, some models stood out as the most problematic cell phones, with maintenance that can incur high costs.

Below, we list the main defective cell phones of the year, the most common problems, and the financial impact on users, helping in the conscious choice of a smartphone.

Moto G4

  • Main Problems: touch screen issues, overheating, rapidly degrading battery, and occasional freezes.
  • Approximate Repair Cost: screen between R$ 600 and R$ 1,200; battery up to R$ 500.
  • Details: The Moto G4, a mid-range model released in 2016, is still used by many consumers. Users report that the device becomes slow after updates and that the touch screen may become inconsistently sensitive.

The Moto G4 is among the most faulty cell phones, especially out of warranty.

iPhone 6S

  • Main Problems: degraded battery, malfunctioning touch screen, and slow performance on recent iOS versions.
  • Approximate Repair Cost: battery or screen replacement can exceed R$ 2,000 at authorized services.
  • Details: Despite being old, the iPhone 6S is still used by many consumers. Battery degradation and lag caused by recent iOS updates are the most commonly reported issues.

The iPhone 6S is considered one of the most complained defective cell phones by users who keep the device for several years.

Umidigi 22

  • Main Problems: frequent freezes, slow performance on heavy apps, camera issues, and limited battery life.
  • Approximate Repair Cost: screen up to R$ 900; battery between R$ 300 and R$ 500.
  • Details: The Umidigi brand is less known, and its mid-range models show performance inconsistency. Users report that the usage experience can vary significantly depending on the batch of the device.

The Umidigi 22 is among the most problematic cell phones, although there are positive reports in some cases.

Moto X4

  • Main Problems: screen issues, freezes after updates, degraded battery, and audio problems.
  • Approximate Repair Cost: screen up to R$ 1,000; battery up to R$ 600; audio repairs around R$ 400.
  • Details: The Moto X4 is a premium mid-range model that offers good durability, but users report recurring problems with the touch screen and system freezes.

The Moto X4 is one of the most mentioned defective cell phones in forums and technical assistance.

POCO M3 Pro

  • Main Problems: touch screen failures, rapid battery degradation, and occasional freezes.
  • Approximate Repair Cost: screen and battery combined can reach R$ 1,800.
  • Details: Despite its competitive price, the POCO M3 Pro experiences problems over time, especially with the battery, which wears out quickly, and with the screen, which loses sensitivity in some cases.

This model is considered one of the most defective cell phones, especially among intensive users.

Samsung Galaxy Fold 3

  • Main Problems: hinge failures, pressure-sensitive flexible screen, and battery issues.
  • Approximate Repair Cost: flexible screens can cost up to R$ 3,000; hinge repairs up to R$ 1,500.
  • Details: The Galaxy Fold 3 introduced the innovation of foldable screens, but this technology still has physical vulnerabilities. Care in daily handling is essential to avoid costly failures.

Even being sophisticated, it is one of the most reported defective cell phones by users who overuse intense handling.

Xiaomi 12 Pro

  • Main Problems: overheating during intense use, camera failures, and occasional freezes after updates.
  • Approximate Repair Cost: screen and camera can cost over R$ 2,000.
  • Details: A premium smartphone with high performance, but users report heating during games or using heavy applications. Camera problems and app freezes appear in some units.

The Xiaomi 12 Pro is a cell phone that has had problems in cases of intense use and inadequate maintenance.

Repair Costs and Impact on Consumers

The maintenance costs for these models vary widely, but it is common for them to exceed R$ 2,000 in premium models, such as iPhone 6S, Galaxy Fold 3, and Xiaomi 12 Pro. The most frequent problems include:

  • Broken screen or inconsistent touch screen.
  • Degraded or swollen battery.
  • Hardware problems like camera, hinge, or internal failures.
  • Freezes and slow performance of the operating system.

Consumers facing these failures often need to bear high costs, especially when the device is out of warranty.

How to Avoid Problems with Defective Cell Phones

  • Research Failure History: check sites like Reclame Aqui before buying.
  • Evaluate Warranty and Technical Assistance: consider extended plans or repair insurance.
  • Prioritize Reliable Models: choose devices with a history of lower defect rates.
  • Preventive Maintenance: use cases, screen protectors, and avoid battery overloading.
  • Careful Software Updates: install only stable versions and check compatibility.

These measures help reduce repair costs and extend the device’s lifespan.

Protect Your Pocket with Smart Choices

Analyzing the cell phones that had the most problems in 2024 allows consumers to make strategic choices. Models like Moto G4, iPhone 6S, Umidigi 22, Moto X4, POCO M3 Pro, Galaxy Fold 3, and Xiaomi 12 Pro have a history of recurring failures.

Investing time in research, considering maintenance costs, and opting for reliable devices ensures a more satisfactory experience, protecting your pocket and avoiding frustration.

Preventive maintenance, combined with conscious choices, is the best way to avoid financial surprises.

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Valdemar Medeiros

Formado em Jornalismo e Marketing, é autor de mais de 20 mil artigos que já alcançaram milhões de leitores no Brasil e no exterior. Já escreveu para marcas e veículos como 99, Natura, O Boticário, CPG – Click Petróleo e Gás, Agência Raccon e outros. Especialista em Indústria Automotiva, Tecnologia, Carreiras (empregabilidade e cursos), Economia e outros temas. Contato e sugestões de pauta: valdemarmedeiros4@gmail.com. Não aceitamos currículos!

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