코심 eSIM(KOSIM) – 전 세계 코심하나로 OK

주식회사 코심인터내셔널

About this app

[App main services]
■ Convenient use of eSIM
Don't wait in line at the airport to buy a SIM card! You can receive Cosim E-Sim as an app immediately upon purchase and use it right away.

■ Affordable local data
Convenience goes up, price goes down! Enjoy a variety of data plans at cheaper prices than automatic roaming.

■ Unlimited data plan
All of Cosim's eSIM plans are unlimited plans without worrying about data capacity.


■ Check real-time data status
Curious about your data usage? Check remaining capacity and SIM information in real time at COSIM.

■ Directly connected customer center
Got a problem? Please use COSIM Customer Center. We will solve your problem anytime, anywhere.

[Optional access permission information]
Cosim requires the following access rights to provide services.
- Notification: Receive push messages informing you of eSIM installation and activation status, usage, etc.
- Photos: Save images such as QR codes
*The above access rights require permission when using certain functions, and you can use Cosim even if you do not agree to the permission.

[If you have any questions]
Phone [phone]
Email [e-mail]

Every moment you spend with eSIM, Cosim will make your travel more convenient!