Add data to your eSIM
Already travelling with an ATravelSIM eSIM? Find your order, pick extra data, and pay securely — the data is added to the same eSIM, with no new QR code to install.
How a top-up works
- 1Find your eSIMEnter your email plus either your order number (ATS-…) or the eSIM's ICCID number.
- 2Pick extra dataWe show only the bundles that work with the eSIM you already have, at today's price in your currency.
- 3Pay securelyPay by card on the secure form. Your card details never touch ATravelSIM.
- 4Data is added automaticallyThe extra data and validity are added to the same eSIM within minutes — no new QR code, no reinstall.
Your ICCID is the long number shown on the My eSIMs page, in your delivery email, and in your phone under Settings → Mobile data → your travel eSIM. Nothing changes on your phone — keep using the same eSIM.
