Most plans activate automatically when you connect to a local network at the destination. Some plans may start at first connection/installation—check your plan details.
You can install it before traveling. In many plans, data usage starts when the eSIM connects to a network in the destination country.
Usually no. But you can make calls via apps like WhatsApp, FaceTime, Telegram, etc., using mobile data.
An eSIM is a digital SIM you install on your phone without a physical card. Internet-only eSIMs typically don’t include a phone number for calls/SMS—data only.
