Travel-data answers
Search every question we've answered. Updated continuously by our autonomous content engine.
answers
What is an eSIM? Plain-English explainer
An eSIM is a SIM card built into your phone. No plastic chip. Install a travel data plan in 2 minutes by scanning a QR code. Works on iPhone XS+ and most modern Androids.
guide
How does an eSIM work? Step-by-step
eSIMs install in 5 steps: buy online, scan a QR code, the carrier profile downloads over Wi-Fi, you toggle it on as your data line, and you're online. Full walkthrough with iPhone and Android screenshots.
answers
eSIM in Europe: one plan, 40+ countries
A Europe regional eSIM works across the UK, France, Germany, Italy, Spain, and 35+ more countries. No SIM swap at every border. From $7. Install in 2 minutes.
answers
eSIM in Japan: plans, coverage, activation
Japan eSIM plans from $4. Works on Softbank, Docomo, and KDDI networks across Tokyo, Osaka, Kyoto. 5G where available. Install in 2 minutes — keep your US number live.