Frequently Asked Questions

For First-time Users

What is an eSIM?

Can I use it on any smartphone?

Can I use it overseas?

Can I use multiple eSIMs?

Can I use it together with a regular SIM card?

What are the benefits of Cross eSIM?

How is it different from international roaming?

About Purchasing

Please tell me the flow from purchase to start of use

Can I make it in time even if I buy on the day of departure?

Can I specify the start date of use at the time of purchase?

Can I change the plan after purchase?

Can I add data to a purchased eSIM later?

Will I be refunded if I cancel?

Setup & Usage

Please tell me the expiration period from eSIM issuance.

Can I set up the eSIM in advance?

Is it data-only?

Where can I find the QR code?

What is activation?

From when is the start date counted?

How are the eSIM usage days calculated?

What should I do if I cannot connect properly at my destination?

Can I use LINE, Google, etc. in China?

Troubleshooting & Support

I have not received an email after purchase

I cannot read the QR code

It does not start working

I accidentally deleted the eSIM

What are the support desk hours?