If you have updated to iOS 7 on your Apple device, you may notice that the full name is no longer displayed on e-mails from some recipients in your inbox. For instance, it may show something like ‘wsmyth’.
If you would like to return to displaying to the full name, follow these steps:

1. On the home screen, choose Settings

2. Choose Mail, Contacts, Calendars

3. Scroll down and choose Short Name

4. Switch off the Short Name option