A given computer display system will have a maximum resolution that depends on its physical ability to focus light (in which case the physical dot size-the dot pitch-matches the pixel size) and usually several lesser resolutions.
Using the Speakerphone in Calls. You can turn on your iPhone's speakerphone when you make a call and the recipient answers, or when you accept an incoming call. In both cases, a menu screen appears on your iPhone.To switch to speakerphone, tap the Speaker button which turns blue when activated.To turn off the speakerphone at any time during a call, tap the button again.n both cases, a menu screen appears on your iPhone. To switch to speakerphone, tap the Speaker button which turns blue when activated. To turn off the speakerphone at any time during a call, tap the button again.
To change the notification sounds, follow these steps: 1  From the Home screen, tap Settings. 2  Tap Sounds. 3  Tap on the desired notification. 4  Scroll to and tap the desired ringtone. 5  Press the home button at the bottom of the device.. Open iTunes. 2  Connect the iPhone to your computer using the included USB cable. 3  Click the Device button in the upper-right corner. 4  If viewing the iTunes Store, click the Library button first. 5  If you don't see your device, you may need to hide the sidebar.