South Korea eSIM
Land in South Korea already online. Install your Roamis eSIM before you fly and connect the moment you arrive — no SIM swap, no roaming bills.
- Delivered in minutes
- Refund if it won’t install
- Keep your number
South Korea eSIM plans
Choose how many days you’ll travel — validity starts when you connect, not when you buy. Just be sure to install it within 90 days of issue.
- Works on your existing phone
- Auto-connect on arrival
- Transparent pricing, no hidden fees
- QR delivered instantly after payment
- Chat supportEvery day 10:00–20:00
- 90-day refund if unused
Instant — QR via KakaoTalk
Starts when you connect
If you haven't started using your eSIM, you can request a full refund within 90 days of purchase.
Select your plan
Unlimited at reduced speed once the allowance is used
Why travelers choose Roamis
Four things that actually matter on a trip.
Reliable
We connect through leading local operators, so you get a stable signal from the moment you land.
Fast
Delivered to your inbox in minutes with a QR you can install before you even leave home.
Simple
One-touch setup — scan, install, done. No SIM tray, no store visit, no roaming menus.
Global
One account for dozens of destinations. Top up or add a new country whenever your plans change.
Connected in three steps
From checkout to online in minutes.
Buy & receive
Pick your plan and get your eSIM QR by email within minutes.
Install
Scan the QR and add the eSIM to your phone before you fly.
Land & connect
Turn on the line when you arrive — you’re online instantly.
Frequently asked questions
Most iPhones from XS onward and recent Android flagships support eSIM. Check the compatibility guide and that your phone isn't carrier-locked.
Validity starts when you install and connect at your destination — not when you buy. Just be sure to install it within 90 days of issue.
After purchase you receive a QR code by email and in your account. Scan it in your phone settings and you are set.
If you haven't started using it, you can request a full refund within 90 days of purchase. Confirmation with the carrier takes 1–2 business days.
Yes. The eSIM runs alongside your primary SIM for data, so you keep your own number for calls and texts.
Get connected before you pack
Set up your travel eSIM today and land already online.
Choose a plan