You may have to back up your phone to iTunes, then restore to factory settings, then sync back from iTunes. I think that has worked for others.My summary shows 1.6 gb in my messages . I have deleted all of them. Could it be photos sent or received from messages? How do I free up my 1.6 that shows it is messages <img src="http://www.iphoneforums.net/forum/attachment.php?attachmentid=14696"/> <img src="http://www.iphoneforums.net/forum/attachment.php?attachmentid=14697"/>