South Korea eSIM — reviews & details
South Korea 3GB 30Days · 3 GB · 30 days
620 reviews
Coverage & networks
- South Korea LG U+ 5G SKTelecom 5G
Traveller reviews
Carlos P.
Malaysia · Feb 2026
Good coverage in the city, a bit patchy in remote areas. Data lasted the whole trip with room to spare.
Grace
GotoeSIM Support
· 5 months ago So sorry to hear this, Carlos. That's not the experience we want for South Korea. Reach our team at gotoesim.com/support so we can help right away. – Grace 💜
Mateo P.
United States · Sep 2025
Good coverage in the city, a bit patchy in remote areas. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 10 months ago We're really sorry, Mateo. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – Omar, GotoeSIM Support
Wei C.
Switzerland · Jul 2025
Install took me two tries but was fine after that.
Sara
GotoeSIM Support
· 1 year ago So sorry to hear this, Wei. That's not the experience we want for South Korea. Please contact us at gotoesim.com/support and we'll sort it out. — Sara, GotoeSIM Support
Somchai S.
Thailand · Feb 2025
Decent speeds, though slower than I expected in a few spots.
Omar
GotoeSIM Support
· 1 year ago We're really sorry, Somchai. That's not the experience we want for South Korea. Reach our team at gotoesim.com/support so we can help right away. — Omar, GotoeSIM Support
Lucas F.
Vietnam · Feb 2025
Install took me two tries but was fine after that.
Ken
GotoeSIM Support
· 1 year ago So sorry to hear this, Lucas. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. — Ken
Sarah B.
Mexico · Dec 2024
Good coverage in the city, a bit patchy in remote areas.
David
GotoeSIM Support
· 1 year ago Apologies for the trouble, Sarah. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – David 💜
Omar L.
Italy · Sep 2024
Worked fine but took a little while to connect at first.
Tom
GotoeSIM Support
· 1 year ago So sorry to hear this, Omar. That's not the experience we want for South Korea. Please contact us at gotoesim.com/support and we'll sort it out. – Tom, GotoeSIM Support
Frequently asked questions
How much does the South Korea eSIM cost?
The South Korea 3GB 30Days plan costs $2.70 for 3 GB over 30 days, paid once with no hidden fees.
How do I activate my South Korea eSIM?
Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the GotoeSIM app. Install on Wi-Fi before your trip; it activates when you arrive in South Korea.
Will this eSIM work on my phone?
It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.
Can I keep my regular number?
Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in South Korea.
Comments & questions
Arjun P. · 1 day ago
Will this keep my WhatsApp active with my home number?
Hi Arjun! Yes, using our eSIM will allow you to keep your home number active for WhatsApp and other calls/texts since it runs alongside your normal SIM. Enjoy your trip to South Korea! If you have any more questions, feel free to ask. – Mark, GotoeSIM Support
Hugo K. · 1 week ago
Does this work on an iPhone 13?
Yes Hugo, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. — Laura
Hana N. · 1 month ago
Which networks does this connect to?
You'll be on top local networks, Hana — full details are on the plan page under Coverage. — Sara, GotoeSIM Support
Lea B. · 1 month ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Lea — within seconds of payment, by email and in your account. – Diego, GotoeSIM Support
Carlos W. · 2 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Carlos, so buying early is totally fine. — Mark
Grace G. · 3 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Grace! Add it via SIM manager and you're set. – Grace, GotoeSIM Support
Olivia P. · 8 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Olivia, then it activates automatically on arrival. – Tom, GotoeSIM Support
Chloe D. · 10 months ago
Will this keep my WhatsApp active with my home number?
Yes Chloe, WhatsApp keeps working with your home number — the eSIM only carries data. – Diego, GotoeSIM Support
Zoe F. · 10 months ago
Can I use it in nearby countries too?
For nearby countries, Zoe, a regional plan may suit you better — happy to help you pick. — Ingrid, GotoeSIM Support
Nadia H. · 10 months ago
Is 5G supported or just 4G?
Yes Nadia, 5G is supported where the local network offers it, otherwise fast 4G. — Omar
Daniel L. · 10 months ago
Great guide, the setup steps were really helpful.
Thanks Daniel, that means a lot! Reach out anytime. — Yuki, GotoeSIM Support
Mei D. · 11 months ago
Is roaming charged extra or is it all included?
No surprise fees, Mei! Roaming is part of the plan and never billed separately. — Omar, GotoeSIM Support
Zoe P. · 1 year ago
Can I top up the same eSIM instead of buying a new one?
Yes Zoe, you can top up the same eSIM anytime — no need to buy a new one. — Priya, GotoeSIM Support