Using a phone in the USA with eSIM

Get connected quickly on arrival Buy or activate your eSIM before you land if you want data straight away; many travellers prefer this so they can order rides, check maps and confirm onward plans. Make sure your handset supports eSIM and is network‑unlocked — that’s essential. Keep the airline mode trick in mind: switch to aeroplane mode then turn Wi‑Fi on to connect without picking up a local voice network until you’re ready.

How activation usually works Follow the provider’s instructions to add the eSIM profile — most use a QR code or a manual activation code you paste into your phone’s mobile plan settings. Give the profile a clear label (for example "US data") so you can tell it apart from your home plan. Once installed, pick the eSIM as your data line in Settings and toggle mobile data on.

Unlimited daily plans

• United States Unlimited — 1 GB at full speed then unlimited up to 1 Mbps. Resets daily.
• United States Unlimited — 2 GB at full speed then unlimited up to 1 Mbps. Resets daily.
• United States Unlimited — 3 GB at full speed then unlimited up to 1 Mbps. Resets daily.

Other United States plans are also available.

Data settings and app behaviour to check Decide which SIM handles mobile data and which stays as your primary number for calls and SMS. Set your data roaming option if the phone requires it, and set the eSIM as the preferred data line in the mobile settings. Turn off background app refresh for large apps, and defer OS updates until you’re on Wi‑Fi — they can chew through data unexpectedly.

Coverage expectations in the US Coverage in big cities and along major highways is generally strong, but pockets of weak signal exist in rural areas, national parks and some suburbs. If you’re heading off the beaten track, download maps, transport schedules and any tickets you might need while you still have a solid connection.

Quick checks before you leave home - Confirm your phone is eSIM‑capable and unlocked. - Backup important messages and two‑factor authentication codes or set them to a method that doesn’t rely on carrier SMS. - Save the provider’s activation instructions or QR code offline in case you don’t have Wi‑Fi. - Know how to switch data between your home SIM and the eSIM in Settings.