Hello, this is SandollCloud.

We sincerely apologize for any inconvenience this may cause, but we would like to inform you that the KT mobile phone identity verification service will be temporarily unavailable due to carrier (KT) system maintenance.

Service Outage Details:

• Date: Friday, May 31, 2024
• Time: 12:00 AM to 6:00 AM KST (6 hours)
• Affected Services:
  • KT PASS app authentication (text message authentication will not be affected)
  • KT mobile phone identity verification (up to 5 minutes of downtime  
• Affected Users: All KT and KT Olleh customers (identity verification services for other carriers will not be affected)