ZTE Corporation VDF1231 사용자 설명서

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You can use the keypad lock to avoid unintentional operations. You can answer an incoming call with 
the regular operation when the keypad is locked. 

Hold the Sym key at any screen until a locked screen appears. 

Press the Left Soft key, and then press the Sym key as indicated on the screen. 

Press the Volume keys to adjust the volume for headset, music, games, and ringtone tests.   

 

The Vodafone E-mail service allows you to set up Vodafone business e-mail accounts and other 
personal e-mail accounts as well. See Section 3.3.