Apple iphone 3g 16gb Guida Utente

Pagina di 152
Appendix A 
Troubleshooting 
141 
Update or restore iPhone: 
1  
Make sure you have an Internet connection and have installed the latest version of 
iTunes from www.apple.com/itunes. 
2  
Connect iPhone to your computer. 
3  
Select iPhone in the iTunes sidebar and click the Summary tab. 
4  
Click “Check for Update.” iTunes tells you if there’s a newer version of the iPhone 
software available. 
5  
Click Update to install the latest version of the software. Or click Restore to restore. 
Follow the onscreen instructions to complete the restore process.  
For more information about updating and restoring iPhone software, see 
support.apple.com/kb/HT1414.  
iPhone Accessibility Features 
The following features may make it easier for you to use iPhone if you have a disability. 
TTY Support (Available in Some Areas) 
Use iPhone in TTY mode with the iPhone TTY Adapter (available separately) to use 
a Teletype (TTY) machine. See “Using iPhone with a Teletype (TTY) Machine” on 
page 114
Closed Captioning 
When available, you can turn on closed captioning for videos. See “Video” on page 117
Minimum Font Size for Mail Messages 
Set a minimum font size for Mail message text to Large, Extra Large, or Giant to 
increase readability. See “Mail” on page 111
Large Keypad 
Make phone calls simply by tapping entries in your contacts and favorites lists. When 
you need to dial a number, iPhone’s large numeric keypad makes it easy. See “Phone 
Calls” on page 36. 
Zooming 
Double-tap or pinch webpages, photos, and maps to zoom in. See “Zooming In or 
Out
” on page 25
Visual Voicemail 
The play and pause controls in visual voicemail let you control the playback of 
messages. Drag the playhead on the scrubber bar to repeat a portion of the message 
that is hard to understand. See “Checking Voicemail” on page 40.