Security cameras monitor private spaces. Using unauthorized software or "cracked" apps to bypass subscription fees often requires granting extensive permissions to unknown third-party developers.
If you have purchased a valid EZVIZ Cloud Card or have been given a legitimate gift code, you can activate your cloud subscription by following these official steps from EZVIZ Support:
This error code is commonly related to a device activation or pairing problem, not necessarily the cloud code.
You do not need to pay for cloud subscription unless you want remote cloud backup. EZVIZ CloudPlay - Cloud Service Platform
This is a 6-letter capital code found on the physical device label (e.g., base station or camera body) used for encryption when adding the device to the app.