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 to Fix

1. Check Your Internet Connection
– Ensure your phone is connected to a stable Wi-Fi or
cellular network before installing the eSIM Korea.
– A reliable internet connection is required for verification and activation.
– Proceed to activate the eSIM Korea.

2. Verify eSIM Korea Installation
– If the eSIM Korea is already installed, this error may appear after scanning the QR code.
– Follow these steps to confirm:
1. Go to Settings > Cellular > Select the eSIM Korea plan.
2. Ensure Turn On This Line is enabled.
3. If the eSIM Korea is listed and enabled, it should connect automatically.

3. Contact Customer Support
– If you’ve confirmed the eSIM Korea is not installed and the issue persists, contact our support team immediately for assistance.