Currently Being ModeratedOct 18, 2011 10:24 PM (in response to bsuresh7282)
in 10.7.2 there is now an iCloud icon for settings in System Preferences. There you can get the screen you cancelled previously. I think once you find this it will lead you to the answer to your first question about the mail ID on your iPhone 4.
Currently Being ModeratedOct 19, 2011 1:00 AM (in response to bobbyco57)
i've deleted my iCloud's mail ID in my iPhone 4 successfully so i've mentioned steps to delete iCould mail ID as below:
1. Select Settings icon.
2. Select iColud icon.
3. Click on Delete Account.
4. Enter new Apple ID and Password.
5. Click on Agree.
Thanks and Regards,