eSIM basics
eSIM vs physical SIM: the differences
eSIM and physical SIM both let you use a mobile plan, but differ in setup and convenience. Here's how they compare for overseas use.
Setup differences
A physical SIM is swapped by hand; an eSIM is added directly to the device via a QR code or details. eSIMs can be set up right after online purchase, with no card to lose or swap.
Convenience abroad
With an eSIM you keep your home SIM in place, so there's nothing to put back after returning. With a physical SIM you must store the removed card.
Which should you choose?
If your device supports it, eSIM is easier for travel, business and study abroad. For non-eSIM devices, consider a physical SIM or rental Wi-Fi.
Key points
- eSIM = no card swap, instant setup
- Physical SIM = works on any phone but needs swapping
- eSIM is handier abroad (if your device supports it)
常見問題
Can I use eSIM and physical SIM at once?
Many supported phones allow dual-SIM use. You choose which line is used for data in settings.
