Ksimcard

Is it possible to purchase on a date other than the specified type?

It can only be used in designated denominations, and cannot be purchased on a daily basis.
Is it possible to get a refund for the remaining days after opening?

Refunds are not possible after opening, and refunds for remaining days are also not possible.
Do I have to return my used SIM card?

To protect personal information, please shred and dispose of the product completely without return.
Can I not make or receive calls or texts with a data-only plan?

Physical SIM products cannot be used for making or receiving calls or text messages.
However, eSIM products can be used after a separate fee is charged.
I installed the SIM card but there's no signal. What should I do?

Please try turning your smartphone off and on 2-3 times.
Can I verify my identity with a short-term SIM card?

Short-term SIM cards do not support identity verification services.