Indeed, to successfully integrate an eSIM Routes plan for your London journey, your mobile device must be unlocked by your home carrier. An unlocked phone is essential, as it enables the installation and activation of an eSIM profile from an alternative provider. This ensures you can access the reliable 4G and 5G networks offered by UK carriers, maintaining seamless connectivity throughout your route in London.
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Is an unlocked device a prerequisite for utilizing an eSIM Routes plan in London?
Updated May 30, 2026
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