Yes, your smartphone must be unlocked by your home carrier to use any international eSIM, including those for Kyoto. This allows your device to connect to local Japanese networks like NTT Docomo, au, or SoftBank. Always verify your phone's unlock status before purchasing an eSIM to ensure a smooth setup process upon arrival.
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Does my phone need to be unlocked to use an eSIM in Kyoto?
Updated May 30, 2026
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