Update: A couple hours later I looked at Contacts and the disappearing contact is in the list. No comprendo why this happened. bab2010: Thanks for your response. I had done a reset prior to posting. jbs06civicsi: I frequently try new apps. Don't know how many I've installed &/or deleted before...

When I create a new contact on my iPhone 4, it saves and then disappears after about 10 seconds. All pre-existing contacts are still there. This just started happening and occurs whether I add the new contact directly into Contacts or create it from a Recent Call. I have tried rebooting and...