Only public legal and help pages are available at present. Cloud backup is not enabled. This website does not create cloud accounts or accept learning records or recovery keys. Offline practice remains available.

Deletion and device data

Cloud backup is not enabled on this service, so there is no cloud account to delete through this page. This page does not request or accept a parent PIN, recovery key or child information.

To delete device records, complete parent verification and choose Parents → Data and privacy → Erase data on this device in the app, or Parents → Device data → Erase device data in the mini program. This permanently clears local learning records and the PIN. Export any records you need to keep first.

If you previously enabled backup at a different service address, use that service or its corresponding cloud-deletion option in the app. Clearing device data does not delete a backup on another service. For help, contact ColorfulMoon at mgming03@outlook.com. Do not email a PIN, recovery key or a child’s identifying information.