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<p>Switching off 3G mobile networks is a global trend as operators free up spectrum
to focus on the provision of newer 4G and 5G services. In the US, all 3G networks
have already been switched off. This might affect the experience of UK customers travelling
to the US, in particular for customers with an older phone model. In some cases, UK
customers might not be able to make calls or access data unless they are connected
to WiFi.</p><p>There is no specific obligation for UK mobile providers to inform their
customers of changes to network provision in other countries. However, Ofcom is speaking
to providers to ensure that they are informing customers of this impact and some providers
have been proactively sending messages to potentially affected groups. Customers should
speak to their mobile network provider before leaving the UK to understand the impact
of 3G switch off on their roaming experience.</p><p> </p>
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