Har iPaden internet påslaget? Testat att vänta lite?
Detta är vad Apple rekommenderar!
First make sure that your device is currently on a Wi-Fi or cellular network. If the connection appears strong, try these steps:
Turn off iCloud Keychain on all devices.
Enable iCloud Keychain on the device that has the most up-to-date keychain items.
Enable iCloud Keychain on your other devices. They will be updated with your new iCloud Keychain.