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Many travelers install shortly before departure or on arrival—follow your bundle's rules for activation. You'll need internet (Wi‑Fi is fine) to complete setup. See our step-by-step activation guide.

You need an eSIM-capable, carrier-unlocked device. Check our compatible devices list to confirm yours qualifies—compatibility is determined by your hardware, not YonoSIM.

We're the first travel eSIM store with a fully automatic 30-day refund. If your eSIM is unused within 30 days of purchase, we refund you automatically—no email, no ticket, no questions asked. You can also self-serve a refund on any unused eSIM anytime within 30 days. See our Terms for the fine print.

Every YonoSIM eSIM ships with data roaming included, but your phone keeps roaming switched off by default after install. Just go to Settings and turn on data roaming for the new eSIM. Tip: leave your home SIM's data roaming switched off to avoid surprise bills from your home carrier.

Yes. Your primary SIM stays active on your phone number for calls, SMS, and 2FA/verification codes—YonoSIM's eSIM handles data only. See our for the full setup.

For most travelers, a standard plan wins. Travel data is spiky—one heavy YouTube day, three Wi-Fi-mostly days—and every unlimited plan throttles after a daily fair-use cap (typically 500 MB–2 GB) anyway. A right-sized standard plan usually costs less and gives you full speed on your heaviest day. See our for the math.