Faqs

This is a real case study from a customer who has consistently used NeoKOSIM’s Vietnam eSIM for multiple trips to Vietnam. After arriving in Vietnam, the customer tried to send a text [...]

1. Get free T-Money card. – All Customers who purchase an SKT eSIM or SIM card – Period: Until July 31, 2025 2. How to receive it – Present the e-voucher with your order number [...]

1. Get free gifts : T-Money card, Buldak spicy noodles – All Customers who purchase an SKT eSIM or SIM card (2 + Days Plan) – Period: Until June 30, 2025 2. How to receive it – [...]

Join Our Review Event and Get Rewarded! – We’d love to hear your feedback on your Korea SIM or eSIM Korea or Pocket WiFi Korea or all around eSIMs experience! – As a thank you, we’re [...]

Do not have a PayPal account? Do not worry at all. You can pay with your credit card as a Guest on the PayPal Page by choosing “Pay with my credit or debit card” instead “Log in” if you don’t [...]

If you encounter the “Unable to Activate eSIM” error after activating your eSIM via QR code or manual activation code on your iPhone, follow the steps below to resolve the issue. How [...]

If you encounter the “There’s no longer valid code” error after activating your eSIM Korea via QR code or manual activation code on your iPhone, it may be due to a poor internet [...]

To check the balance and expiration date of your purchased Korea SIM card, follow these steps: 1. Dial “#00” using your phone’s dialer app. 2. You will receive an SMS with [...]

When inserting a Korea SIM card or setting up eSIM Korea into your phone, it’s possible that LTE data works fine, but calls and texts do not come through. Why does this happen? To use voice and [...]

We’ve upgraded our NeoKOSIM website with a customer-focused design and enhanced security features as of February 1, 2022, to provide a safer and smoother shopping experience for all our users. 1. [...]