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New mobile app shows that nearly 40% of 5G connections are actually 4G

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London, UK: Research by the new app SignalTracker shows that although your mobile may say 5G, it frequently has a 4G connection. In UK tests, when the 5G icon was displaying, 38% of tests were in fact a 4G connection.

This is because most phones show 5G when the base station they are connected to has 5G equipment potentially available. The actual connection may be 4G or 5G.

On some phones the icon becomes more distinct when an actual 5G connection is made, but on other phones the same icon is shown whether 5G is merely available or whether it is actually connected.

Our signal survey of Central London shows actual 5G connections in red and 4G connections where the 5G icon is displayed in blue (See map). These results come from all the UK mobile networks.

Actual 5G is about twice as fast as icon-only connections, averaging 49 Mbps as against 27 Mbps in our tests.

Results for individual operators

Displaying the 5G icon when there is only a 4G connection is more common with some operators than others. For Three, the 5G icon means real 5G 94% of the time and for Vodafone the figure is 93%. For O2 66% of 5G tests had a genuine 5G connection but for EE it was only 32%. [1]

SignalTracker tells you whether you have an actual 5G connection, as shown in the screenshot. It also gives the signal strength, bands used and download speed. You can save the results to compare networks and assess performance in a variety of locations. The app is available from Google Play.

SignalTracker is produced by PolicyTracker [3], a company specialising in the wireless sector.

“This issue is not being clearly explained to consumers,” said Managing Director, Martin Sims. “Achieving a 5G connection everywhere may not be possible and most people will accept this. But the public deserve clear information about what they are getting.”

“Mobile networks are an amazing engineering achievement”, he said. “The best way to get public support for optimising this incredible technology is to keep them fully informed.”•

Contact details:

Martin Sims
Managing Director,
PolicyTracker
[email protected]
+44(0)20 7100 2875 (office)
+44 (‭0)7424 768777‬ (mobile)

Notes for editors:

[1] About Signal Tracker

The figures quoted come from over 11,000 tests carried out by PolicyTracker over the past two months using SignalTracker. This is an Android app and is available on Google Play.

It allows consumers to compare the service from different operators using metrics such as signal strength, speed and bands used. Users can save this information for different locations. See the website for more information.

The SignalTracker app can also provide this detailed spectrum usage data for commercial and regulatory organisations.

[2] 5G Technology

Most UK actual 5G connections are 5G Non Standalone (5G NSA). They connect to the existing 4G computer network using a 4G band but download data using a 5G connection. The technology’s next stage, 5G Stand Alone (5G SA), does not use the 4G network but currently has limited deployment.

[3] About PolicyTracker

SignalTracker is produced by PolicyTracker, which provides news, research and training about spectrum policy. 

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Quantum Computing Breakthrough: Data Security Implications

MIT’s new quantum algorithm could revolutionize data processing, posing significant challenges for current cryptographic systems. This article explores the implications for data security and potential solutions to counteract quantum threats.

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The recent breakthrough in quantum computing by researchers at MIT marks a pivotal moment in the field of data security. On August 19, 2026, Nature published the details of a new quantum algorithm capable of processing data at speeds previously unimaginable. While this innovation holds enormous potential for advancing machine learning and other computational fields, it simultaneously presents a formidable challenge to the current cryptographic systems relied upon to safeguard sensitive information.

At the core of contemporary data security is the reliance on encryption techniques that depend on the complexity of certain mathematical problems, such as the factoring of large numbers, which are currently infeasible for classical computers to solve within a practical timeframe. However, quantum computers, with their ability to perform calculations exponentially faster than traditional machines, threaten to render these encryption methods obsolete. This development could have profound implications for sectors that prioritize data security, including finance, healthcare, and government, where sensitive data is at risk of exposure.

The immediate concern for cybersecurity experts is the potential for quantum computers to crack widely used encryption protocols, such as RSA and ECC, which form the backbone of secure internet communications. The computational power unleashed by quantum algorithms could theoretically decrypt encrypted data in a fraction of the time required by classical computers, leaving digital communications vulnerable to interception and exploitation.

In response to this looming threat, researchers and industry experts are actively exploring the development of quantum-resistant algorithms. These algorithms are designed to withstand the capabilities of quantum computing, ensuring the confidentiality and integrity of data even in a post-quantum world. Efforts in this direction include the study of lattice-based cryptography, hash-based signatures, and multivariate polynomial equations as potential foundations for secure encryption systems.

The urgency to develop and implement quantum-resistant cryptography is underscored by the rapid pace of advancements in quantum technology. Tech companies, governments, and academic institutions are investing heavily in research to safeguard their data infrastructures against quantum threats. The transition to quantum-resistant systems, however, is not without its challenges. It requires a comprehensive overhaul of existing cryptographic frameworks and widespread adoption across industries, a process that demands both time and resources.

Despite these challenges, the potential benefits of quantum computing in fields such as artificial intelligence, pharmaceuticals, and materials science cannot be overlooked. The same capabilities that pose a threat to data security also offer the promise of unprecedented advancements in computational power, enabling breakthroughs that were previously beyond reach.

As the world stands on the brink of a quantum revolution, the dual-edged nature of this technological leap is clear. While the security of our digital world faces new threats, the opportunity for innovation and progress is equally profound. The path forward will require a concerted effort to balance the risks and rewards of quantum computing, ensuring that the transformative potential of this technology is harnessed responsibly and securely.

In the coming years, as quantum technologies continue to evolve, the focus will be on developing robust standards for quantum-resistant cryptography and fostering collaboration between academia, industry, and government to navigate this new frontier. The race to secure our digital future in the face of quantum capabilities is not just a technical challenge but a strategic imperative that will shape the landscape of cybersecurity for decades to come.

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AI-Driven Tools Propel Mars Exploration to New Heights

NASA’s latest Mars mission features AI-driven tools in its rover, enabling autonomous navigation and faster data transmission, marking a significant advancement in space exploration technology.

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NASA’s latest mission to Mars has captivated both scientific communities and the public, as the new rover equipped with AI-driven exploration tools begins its journey across the Martian landscape. Wired’s August 2026 report highlights the rover’s ability to autonomously navigate the challenging terrain while making real-time decisions, significantly enhancing the efficiency of data collection. This innovation is poised to revolutionize the way robotic missions are conducted in space.

The rover’s sophisticated communication systems represent another leap forward, allowing for faster and more reliable data transmission back to Earth. These advancements mean that scientists can receive critical information more swiftly, enabling them to adjust mission parameters as needed. According to Wired, this capability is essential for responding to unexpected findings and maximizing the scientific value of each mission.

Moreover, the integration of AI tools in the rover’s design marks a pivotal shift towards reducing dependence on Earth-based commands. As Wired notes, this development could pave the way for future missions that operate with greater autonomy, setting the stage for more complex and prolonged explorations of Mars. The implications of this technology extend beyond current missions, suggesting a future where human exploration of Mars is supported by highly capable robotic counterparts.

As NASA continues to push the boundaries of space exploration, the success of this mission will likely influence the design and execution of future endeavors. The potential for these AI-driven tools to transform space exploration is immense, promising a new era of discovery and innovation on the red planet and beyond.

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Quantum Computing Breakthroughs: Disrupting Industries with Oxford’s Innovations

A recent breakthrough in quantum computing at the University of Oxford promises to disrupt multiple industries by significantly enhancing computational capabilities. Explore the technological implications and potential disruptions poised to redefine sectors.

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In May 2026, the University of Oxford announced a significant breakthrough in the field of quantum computing, unveiling an advanced error correction algorithm that has the potential to transform computational capabilities. This development is not just a scientific triumph; it heralds a new era of technological disruption across multiple industries. Quantum computing, long anticipated as the next frontier in technology, promises to solve complex problems beyond the reach of classical computers, and Oxford’s latest advancement brings this closer to reality.

At the core of this breakthrough is the enhancement in quantum error correction, a critical component that addresses the inherent instability of qubits, which are the fundamental units of quantum information. Traditional computers use bits of 0s and 1s, but quantum computers operate on qubits, which can exist in multiple states simultaneously. This superposition allows quantum computers to process information exponentially faster than classical computers. However, qubits are notoriously prone to errors due to environmental noise and operational inaccuracies. Oxford’s new algorithm significantly improves the error correction process, maintaining qubit stability longer and allowing extended computational tasks to be performed accurately.

The implications of this are profound. Industries ranging from pharmaceuticals to finance stand on the cusp of disruption as quantum computing offers the ability to model complex molecular structures, optimize large-scale financial portfolios, and even revolutionize artificial intelligence algorithms. In pharmaceuticals, for example, quantum computing can expedite drug discovery by accurately simulating molecular interactions, potentially reducing the time and cost associated with bringing new drugs to market. Similarly, in finance, quantum algorithms can optimize trading strategies and risk management with a precision unattainable by current technologies.

Moreover, the ripple effects of such a leap in computational power extend to data encryption and cybersecurity. Quantum computers possess the potential to decrypt classical encryption methods, prompting a race for quantum-resistant cryptography. This necessitates a paradigm shift in how we secure digital information, affecting every sector that relies on data security.

Despite the tremendous promise, the transition to quantum computing is not without its challenges. The infrastructure required to support quantum technologies is expensive and complex. There is also a significant skills gap; experts in quantum computing are scarce, and training a new generation of scientists and engineers is imperative. Furthermore, ethical considerations regarding the power of quantum computing must be addressed, particularly in terms of privacy and security.

Looking forward, as quantum computing continues to evolve, industries will need to adapt swiftly to harness its capabilities. Early adopters who invest in quantum technologies and develop quantum-ready strategies will likely dominate in the coming decade. As Oxford’s breakthrough demonstrates, the race is on to fully realize the potential of quantum computing and redefine the boundaries of what is technologically possible.

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