
Single-country eSIMs for 84 countries worldwide
and multi-country eSIMs
for trips across several countries.

*60-70% of our travellers pick 1-2 GB!

Fast help, whenever and wherever

A full refund on a mistaken purchase, as long as the eSIM is unused

Just buy — no sign-up to work through first

From buying to installing, all in the browser

Keep browsing at 384 kbit/s once your daily data is used
01 Select
Choose your destination, how long you are going and how much data
Find your plan
Where are you going?
How long for
Data per day
02 Install
Tap “Install” on your order page
esimmu-20250626-1779806769-EB0C4FF297
2026-05-26 05:50pm

South Korea eSIM
500MB / 4 days
EUR 6.00
03 Enjoy
Connects to the local network by itself
South Korea
Example: United Kingdom, 5 days, 1GB/day
Updated: 10.03.2026

Example: United Kingdom, 5 days, 1GB/day | Updated: 10.03.2026
*1GB usage = Perfect for maps and SNS photo uploads
eSIMmu works with local mobile operators to give you the best service.
“The best service through trust and collaboration”
Yes. Whether you buy as a guest or signed in, you can find and install it on the site as soon as the payment goes through.
Yes. On any phone that supports Dual SIM Dual Standby (DSDS), your physical SIM and your eSIMmu eSIM work at the same time.
Yes. Install it before you leave and activate it once you land. That way the network is there the moment you arrive.
Yes. Auto-install does it without one — open the orders and enquiries page and press auto-install on the eSIM you want to set up.
Three days to a week before you travel, somewhere with good Wi-Fi. Installing does not start the clock: your time begins the moment you land and the eSIM connects to the local network by itself.
Yes, tethering and hotspot both work.
Sign in at esimmu.com and open the remaining data menu. Daily plans reset every 24 hours, so what you see is the balance for the current day.

For other inquiries, please contact customer service or check the FAQ.