An eSIM installs digitally from a QR code sent after purchase and can be set up entirely before you travel, which is especially useful since many visitors reach Kyoto by train after landing elsewhere.
Setting up before you fly
Purchase and install the eSIM profile a day or two before departure; most providers recommend not activating the plan itself until you land in Japan.
Staying connected on the way to Kyoto
Since the plan typically activates automatically once you connect to a network, you can stay connected through your arrival airport and the train ride to Kyoto without any extra setup.
Tip: If your eSIM does not connect right away, toggling airplane mode off and on, or manually selecting a network in settings, resolves most issues.
Checking compatibility first
Most phones from the past several years support eSIM, but it is worth checking your specific model before purchasing.
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