you can't .... unless you jailbreak and get a program like mobilelog
Try to ask apple to do so by going to
http://www.apple.com/feedback/iphone.html
you gots to hold it down until a screen pops up and then delete it
Ok just go to your list of friends aka cell numbers and press on the one you want to delete there will be a x next to it hope this helped.
You can't delete the Nike app because it comes with the iphone.
you hit the delete button
No the data won't delete from the iPhone unless you reset everything
No
No
delete it
Well, it can be undeleted provided that you ever sync the recent call lists on your PC or mac. Then iPhone data recovery below below will work even to restore files including Contacts, SMS, call records, Calendars, photos, videos, music, iBooks reading etc. Regards.
you delete it
Your phone doesn't have enough memory left. Delete old conversations and call history. I don't have a blackberry, but my iPhone also lets me delete email without removing it from my account.
To delete off of your iphone/touch? Just restore as you normally would.