To improve service quality and system stability, the infrastructure and network team will perform network equipment upgrades from Apr. 21 to 22, 2026 (UTC+08). The 2 changes include:

1. Time: Apr. 21, 2026 23:30:00 - Apr. 22, 2026 05:30:00 (UTC+08)

• Changes: Software maintenance/upgrade, cold patch
• Effected scope:
  • Tokyo Zone C/ A/ B
• Description: The upgrades will cause 2 brief network jitters/delays/packet losses, each lasting around 3 seconds. Do not perform business operations during this time. We apologize for any inconvenience.

2. Time: Apr. 21, 2026 23:45:00 - Apr. 22, 2026 05:45:00 (UTC+08)

• Changes: Software maintenance/upgrade, cold patch
• Effected scope:
  • Seoul Zone A
• Description: The upgrades will cause 2 brief network jitters/delays/packet losses, each lasting around 3 seconds. Do not perform business operations during this time. We apologize for any inconvenience.