Notice of System Maintenance for Selected Korea Plans

Thank you for your continued support and patronage.

We would like to inform you that system maintenance will be carried out for selected data plans on the schedule below.

Maintenance Schedule

August 23, 2026 (Sunday) 00:00 - 06:00 JST (6 hours)

Affected Products

Korea Unlimited 90-Day Plan with Calls (SK Telecom)
Korea Unlimited 60-Day Plan with Calls (SK Telecom)
Korea Unlimited 30-Day Plan with Calls (SK Telecom)
Korea Unlimited 20-Day Plan with Calls (SK Telecom)
Korea Unlimited 15-Day Plan with Calls (SK Telecom)
Korea Unlimited 10-Day Plan with Calls (SK Telecom)
Korea Unlimited 7-Day Plan with Calls (SK Telecom)
Korea Unlimited 5-Day Plan with Calls (SK Telecom)
Korea Unlimited 4-Day Plan with Calls (SK Telecom)
Korea Unlimited 3-Day Plan with Calls (SK Telecom)
Korea Unlimited 2-Day Plan with Calls (SK Telecom)

Impact During Maintenance

New eSIM orders will be unavailable during the maintenance period.
eSIMs that have already been ordered can still be downloaded and installed.
Passport verification required for using voice services will be unavailable.

We apologize for any inconvenience this may cause and sincerely appreciate your understanding and cooperation.