- Go to Settings on your iPhone or iPad.
- Tap Passwords & Accounts.
- Tap Add Account under Accounts.
- Tap Other.
- Tap Add CalDAV Account.
- Enter the following details for your account:
User Name: The email address that the calendar is associated with.
Password: The password you use to log into Webmail.
Description: Give it a name so it is easy to recognise.
- Tap Next in the upper right corner to verify the account.
- Tap Save in the top right corner.
That's all! Your CalDAV account will now start syncing with your iPhone or iPad.