o2 3g network shutdown - 3G switch off - Age UK

3G switch-off—Age UK

O2, the UK's largest mobile network, is set to shut down its 3G infrastructure and has urged users to upgrade their devices to avoid losing connectivity. The decision marks the end of an era for 3G, which O2 describes as a "relic of a bygone era." The network, which is now part of Virgin Media O2, will continue to support 4G and 5G services.

The shutdown will mainly affect users with older handsets that are completely dependent on 3G technology. Currently, only 2% of O2's data traffic uses 3G, which no longer meets modern technological demands. Customers with these devices have been informed about upgrade options to ensure continued Internet access.

“We are now more connected than ever, thanks to significant investment in faster, more reliable 4G and 5G networks,” said Jenny York, chief technology officer at Virgin Media O2. The move to switch off 3G allows O2 to reclaim wireless spectrum, boost speeds, and expand the reach of its 4G and 5G networks. Although 3G signals may remain in some areas for a short time in early 2026, a complete shutdown is imminent. Users are advised to upgrade their handsets immediately.

Sales gimmick, just like with Windows, you need to buy a new computer because your old one that is working well is now obsolete and cannot be upgraded!

Older phones that rely on 3G will lose access to mobile data, but calls and texts will still work via 2G.

The shutdown frees up valuable radio spectrum to boost 4G and 5G network performance.

3G currently accounts for less than 2% of O2's mobile data usage.

O2 has conducted tests and notified affected customers directly about upgrade options.

In a significant change for the UK telecommunications landscape, O2, one of the country's largest mobile network providers, is set to completely shut down its 3G network across the country in 2026. The move, despite the natural evolution of the technology, has direct implications for a section of its users: older phones relying only on 3G will soon find themselves unable to access mobile data services.

 

Although the prospect of losing mobile Internet may seem worrying, it is important to understand the nuances of this change. For those who only have 3G devices, activities like browsing the web, checking social media, sending WhatsApp messages, or using navigation apps will become impossible without a Wi-Fi connection. However, there is a silver lining: standard voice calls and text messages will continue to work, taking advantage of O2's strong 2G network. This ensures that basic communication remains uninterrupted, even for the oldest handsets.

The End of an Era: Why 3G is Being Retired

The decision to retire 3G is not a sudden whim; it is a carefully planned, industry-wide development driven by technological progress and efficiency. Born in the early 2000s, 3G revolutionized mobile communications, enabling the first widespread access to mobile Internet and laying the foundation for the smartphone era. Yet, by 2026 standards, its capabilities are severely limited. As GB News highlights, 3G usage now accounts for less than two percent of all mobile data used on Virgin Media O2's network. This dramatic decline in use makes its continued operation economically and technically infeasible.

Jenny York, chief technology officer at Virgin Media O2, has accurately described 3G as "a relic of a bygone era." The technology's peak speeds of about 6 Mbps are slow compared to the hundreds of Mbps offered by 5G. Maintaining an outdated infrastructure for such minimal usage is simply unsustainable when that valuable radio spectrum can be repurposed for modern, faster networks. The UK government and the mobile industry collectively agreed back in 2021 that the time had come to retire this aging technology, paving the way for a more advanced digital future.

A coordinated transition: O2's phased approach and industry-wide trends

O2 has been meticulous in its preparations, running a series of trial programs throughout the previous year in various locations, including Norwich, Telford, Guildford, Torquay, and Watford. These trials were designed to ensure a smooth transition, minimizing disruption for customers and validating the network’s readiness for the full shutdown. Scotland, for instance, began seeing 3G services withdrawn from November, starting in eastern areas like Aberdeen and Dundee, providing a regional blueprint for the national rollout.

 

As Jang.com.pk reported, other major UK mobile providers, including EE, Vodafone, and Three, have already completed their own 3G shutdowns in recent years. This means that if you’ve been using a 3G-only device on one of these rival networks, you’re likely already familiar with the inability to connect to mobile data services. This coordinated industry effort underscores a collective commitment to advancing mobile connectivity across the UK, ensuring that resources are directed towards supporting the most efficient and powerful technology.

Network update from Virgin Media O2

From 1 October 2025, 2G roaming SIMs will no longer be supported.

Then the 3G network will also be shut down from December 1.

By the end of 2025, only 4G and 5G will be available on the O2 network.

Do legacy devices need 2G? Only Vodafone and EE will continue support—at least until 2033 (no specific shutdown dates yet).

Virgin Media O2 has completed its 3G network shutdown in several areas of the UK, including Durham, Norwich, Telford, and Guildford, with Torque following soon after.

 

The move is a significant step towards focusing on faster, more reliable 4G and 5G networks. Customers on 3G devices are now unable to use mobile data, underscoring the importance of upgrading to stay connected.

 

Virgin Media O2 has today announced that its next-generation 5G standalone network is now live in 500 towns and cities across the UK.

 

Available to more than 70% of the UK's population—around 49 million people—this represents the country's largest 5G standalone deployment.

 

Customers across 500 locations can benefit from an improved mobile experience with wider 5G coverage, higher speeds, and lower latency.

 

Unlike other operators, the new network is available at no additional cost to customers with 5G standalone-compatible devices and SIMs.

 

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