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By Chinenye Anuforo
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Despite significant speed improvements driven by the ongoing rollout of fifth-generation (5G) services, weak and unstable network signals across parts of the country continue to drain smartphone batteries, overheat devices and reduce real-world internet performance, according to fresh technical analyses released by the Nigerian Communications Commission (NCC).
The findings, drawn from extensive nationwide measurements and close to one million user-initiated speed tests, provide one of the clearest pictures yet of how Nigerians actually experience mobile connectivity in daily life. They showed a telecom landscape defined by rapid technological progress on one hand and persistent structural challenges on the other.
On the positive side, the migration from fourth-generation (4G LTE) networks to 5G is already delivering dramatic performance gains in areas with strong coverage. In the fastest locations, users recorded speed improvements of up to 620 per cent, underscoring the transformative potential of next-generation connectivity for streaming, cloud services, remote work, online education, and other data-intensive applications that are increasingly central to the digital economy.
Yet, the Commission’s analysis indicated that these gains are not evenly distributed. Many users still operate in what researchers describe as high-drain zones or locations where smartphones struggle to maintain stable signal connections due to congestion, weak coverage, or environmental interference. In such conditions, devices expend more energy searching for and sustaining network links, particularly during peak daytime usage between noon and late afternoon.
The impact is twofold. Batteries deplete faster, requiring more frequent charging, while network efficiency declines. In high-drain areas, download speeds fall by roughly 21 per cent and upload speeds by about 30 per cent compared with low-strain zones. Latency also rises, reducing responsiveness and affecting activities that depend on real-time interaction, including video calls, online gaming, and financial transactions.
Thermal performance presented an additional layer of concern. Smartphones operating under weak signal conditions or heavy processing demand tend to heat up more quickly. To prevent internal damage, built-in protection systems automatically slow processing speeds when temperatures rise beyond safe thresholds. The NCC found that in high-temperature environments, download performance drops by approximately 23 per cent and upload speeds by 26 per cent, often manifesting as buffering during video streaming, delayed app responses, and interrupted digital services.
Beyond network behaviour, the benchmarking study sheds light on Nigeria’s evolving smartphone market. Samsung and Apple together account for about 64 per cent of analysed speed tests, reflecting strong consumer trust in the two global brands. At the same time, manufacturers such as Tecno continue to maintain a significant presence, particularly among users prioritising affordability and accessibility.
Importantly, the report challenges long-held assumptions about device performance. Several mid-range smartphones now deliver real-world speeds comparable to premium flagship models. The Samsung Galaxy A26, for instance, recorded the highest median download speed at 244.3 megabits per second in the dataset.
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This suggested that improving network optimisation for widely used mid-range chipsets could yield broad national benefits, given the purchasing realities of most Nigerian consumers.
However, the broader connectivity picture still reflects deep geographic inequality. Urban centres continue to enjoy stronger and more reliable service, with median download speeds about 1.3 times faster than those recorded in rural communities. Rural users also experience slightly higher latency, a seemingly small difference that can nonetheless disrupt time-sensitive digital services such as telemedicine consultations, virtual classrooms, and mobile banking platforms.
Regional inconsistencies in performance further pointed to uneven infrastructure deployment, reinforcing long-standing concerns about the country’s digital divide. According to the Commission, prolonged exposure to weak connectivity conditions may not only shorten battery lifespan and increase the likelihood of long-term device damage from repeated overheating, but also entrench disparities in access to economic and educational opportunities enabled by reliable internet.
To address these challenges, the NCC emphasised the importance of strengthening enforceable minimum quality-of-service standards in underserved areas, encouraging targeted infrastructure investment in rural and semi-urban communities, and expanding transparent public reporting of network performance. Such measures, the regulator noted, could empower consumers to make informed choices while stimulating healthy competition among service providers.
The Commission also highlighted the need for continued collaboration between government, telecom operators, device manufacturers, and digital service providers to ensure that technological advancement translates into meaningful improvements in everyday user experience rather than isolated pockets of high performance.
As Nigeria accelerates toward a more digitally driven economy powered by fintech innovation, e-commerce growth, remote work adoption, and expanding online public services, the reliability and equity of mobile connectivity are becoming increasingly critical national concerns.
While the expansion of 5G signals clear technological progress, the NCC’s real-world data underscores a central reality: true digital transformation will depend not only on faster peak speeds, but on consistent signal quality, resilient infrastructure, device-friendly network conditions, and inclusive access that reaches citizens regardless of geography.
For millions of Nigerians whose livelihoods, education, communication, and financial activities now rely heavily on smartphones, the message is unmistakable. The future of connectivity in the country will be measured not just by how fast networks can become, but by how reliably and how fairly they serve everyday users.
