1. When on a call, tap Keypad to bring up the numerical keypad.
   Note: When in 'Easy mode', you can't mute a call, place a call on hold, create a conference call, or access advanced settings.
   
2. Tap Speaker to enable Speakerphone.
   
3. While speakerphone is enabled, the Speakerphone icon will be displayed in the Notifications bar.
   
4. Tap Bluetooth to configure bluetooth devices in-call.
   
5. Tap Mute to mute the call.
   
6. While the call is muted, the Mute icon will be displayed in the Notifications bar.
   
7. Press the Volume keys to adjust in-call volume.
   
8. To access the home screen while on a call, press the Home key.
   
9. To return to the ongoing call, tap the Call icon.