embedded SIM
何ですか eSIM?
An eSIM is a digital SIM card embedded directly into your phone's hardware. Unlike a physical SIM, it's a software profile downloaded via QR code, no plastic chip required.
どうやって eSIM travel.toの問題?
eSIM technology has been standard on flagship phones since 2018 (iPhone XS, Pixel 3, Galaxy S20). It enables instant carrier switching, dual-line setups, and travel use cases like travel.to — where a foreign data plan can be installed in 60 seconds without visiting a kiosk.