United States eSIM

If your passport is in the Visa Waiver Program (the UK, most EU countries, Japan, South Korea, Australia, Singapore, Taiwan and others), yes, before you board. It costs about USD 40 on the official site, esta.cbp.dhs.gov, and is valid for two years or until your passport expires. Sites charging more are agents.

Large parts of many national parks have no signal on any network. Download offline maps and trail information before you go in.

AT&T, Verizon. Which one you connect to depends on local signal.

Anywhere the plan’s networks have signal, including New York, Los Angeles, San Francisco, Las Vegas; rural and mountain areas depend on local coverage.

Yes. Operators here are listed with 5G; each plan's networks show which.

It depends on the plan: some keep a usable speed of 1 Mbps / 5 Mbps; others drop to 128 Kbps / 384 Kbps / 512 Kbps, which is enough for messaging; others stop data.

It starts when the eSIM first connects to a network. You can install it before you go.

93 of these plans state personal hotspot support, so you can share data with a laptop or travel companions. It comes out of this eSIM’s allowance. Look for “Personal hotspot” in the plan details.

No. Each QR code installs once. If you delete the eSIM or reset the phone, it can't be installed again, and once it has connected to a network it can't be refunded.

Some plans add data, some add days, and some can't be topped up; each plan says which. Top up from the eSIM in My eSIMs. There's nothing new to install.

Yes. The listed price is the final price.