Yes, for your group to fully enjoy the benefits of a Triply eSIM in London, each member's mobile phone must be unlocked by their home carrier. An unlocked device is essential because it allows you to install and activate an eSIM profile from a different provider like Triply. This ensures everyone in your crew can access reliable 4G or 5G data across the UK's robust networks, keeping your shared travel experience smooth and connected.
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Do our phones need to be unlocked to use a Triply eSIM in London?
Updated May 30, 2026
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