Yes, for your eSIM Trails to function seamlessly in Kyoto, your smartphone must be unlocked by your home carrier. This is a crucial step for any international eSIM, as it permits your device to connect to local Japanese networks like NTT Docomo, au, or SoftBank. Always confirm your phone's unlock status before you purchase an eSIM from eSIM Trails. An unlocked device ensures you'll have uninterrupted connectivity, allowing you to fully immerse yourself in the adventure without technical hitches.
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Does my device need to be unlocked to use an eSIM Trails in Kyoto?
Updated July 22, 2026
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