App Latest Version Update Guide
If you encounter a CLASS101 app execution error, please update the app to the latest version through the link below according to your device.
Android (Galaxy): https://101.gg/3unCTFk
iOS (iPhone): https://101.gg/3uv6fSx
Error Report and Device Information Check
If the same error occurs even after updating, please inform customer service of your device name, app version, and software information. This information is necessary for more accurate cause identification.
Device information can be found in Settings > Phone Information > Software Information.