How to Fix Contacts Disappeared from iPhone? General Methods to Retrieve Disappeared Contacts Given below are some of the best solutions to your lost contacts problem. In this article, we share you dependable solutions to fix iPhone contacts disappearance with or without iTunes backup. There are some contacts disappeared from iPhone which can be stressful. However, there are times that we lose our phone contacts and it is a very common problem for some iOS users. The main reason why we use our mobile phones is to stay connected with our friends, colleagues, relatives, family, and others.