To add an Exchange account to your iOS device, tap "Settings".
Select "Mail, Contacts, Calendars", then choose "Add Account".
Select "Exchange" to perform the setup.
Enter your HKU email address, HKU Portal PIN and description. Then tap "Next".
Enter the following information for setting up your email account:
HKU Portal UID
HKU Portal PIN
You can modify the items to synchronize according to your preference or use the default setting. Click "Save" to finish the setup.