Why Do We Need to Backup Android Messages to PC or Mac? There is no denying that mobile phone has been becoming smarter and smarter, but this doesn't mean that files on mobile phone are 100% safe. On contrast, with the development of smart phone, like Android phone, users are likely to lose files under various circumstances, such as failure in updating Android OS or flashing device, make improper operations or settings on Android phone, get cell phone broken, crashed or stolen, and so on. After losing data, it is troublesome to look for ways to restore them, and you may take the risk of losing them forever.