O2 network users with older phones are urged to upgrade promptly to avoid disruptions in services like WhatsApp. O2, now under Virgin Media, is set to phase out its 3G signal this year, aligning with similar moves by EE and Vodafone.

The transition from 3G to 4G or 5G is crucial as continued use of outdated devices will result in the loss of internet access and app functionality outside Wi-Fi zones. The Chief Technology Officer of Virgin Media O2, Jeanie York, emphasized the industry’s shift towards faster and more reliable networks, rendering 3G obsolete.

While the impact is expected to be minimal, O2 advises users with 3G devices to act swiftly. Failure to upgrade before the 3G shutdown will lead to the loss of mobile data access, although calls and text messages will remain unaffected.

The discontinuation of 3G aims to free up bandwidth for enhanced 4G and 5G services, offering improved speed and quality. With declining 3G usage, the decision to retire the network aligns with industry and government agreements in 2021 to reallocate spectrum for better customer experiences.

In light of these changes, O2 encourages users still reliant on 3G-only devices to visit stores or contact customer service for timely upgrades. The network’s evolution underscores the need for modernization to meet growing connectivity demands efficiently.