O2 customers issued warning as provider to switch off 'relic' service in 2026The UK's biggest mobile provider has announced the shutdown of its 3G services in 2026, urgingcustomers with 3G-only devices to upgrade to avoid losing access to mobile internet as 4G and 5G services continue. The provider's switch-off will only impact those still using older handsets that rely solely on 3G connectivity. ‌Just two percent of O2's mobile data traffic now runs on 3G, which can no longer keep pace with contemporary technological requirements. Decommissioning the network will enable O2 to reallocate radio spectrum across its wireless infrastructure, enhancing speeds and expanding 4G and 5G reach, reports the Express. She said in a statement: "We're now more connected than ever thanks to significant investment in faster, more reliable 4G and 5G networks.

Source: Daily Mirror January 03, 2026 14:25 UTC