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Mobile phone users who own devices that are over a decade old may need to consider upgrading their phones as mobile networks phase out 2G and 3G services, according to a technology expert. The shutdown of the 3G network is nearing completion, with mobile operators now working within a government-imposed deadline set for 2033. O2, one of the major network providers, plans to gradually disable its 3G service in the upcoming weeks.
David McClelland explained that while some older phones and devices such as burglar alarms and care alarms might not be compatible with newer 4G and 5G networks, other devices may automatically transition to these technologies. O2 confirmed that it has proactively contacted customers with incompatible phones, offering discounted upgrades to help them stay connected as the network changes take hold.
According to McClelland, the advancements in 4G and 5G networks have facilitated the transition by enabling devices that previously depended on the 3G network to switch over smoothly. He noted, “If they are still using the 3G network, then instead their phones will use the 4G or the 5G network.” However, for some phones, coverage may be lost entirely, or the phone might revert to 2G, which will still operate for a limited time but without effective data capabilities.
In rural areas, the impact of the network switch-off may be even more significant. Daniel Gale from the Gloucestershire Rural Community Council highlighted that the effects “can be a lot wider than people realise” due to challenges related to rural connectivity. He mentioned personal alarm systems as an example, emphasizing that while updating such devices is not complicated, it is essential to ensure users remain connected. Supporting this, O2’s spokesperson explained that the shutdown is part of a 2021 government agreement and that 4G and 5G networks provide superior speed, reliability, and energy efficiency compared to older technologies. The 3G network has already been deactivated in parts of the UK, with the full discontinuation expected imminently
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