Zte A39 User Manual page 45

You can select the profile you need in this submenu. The profile options are:
Normal, Meeting, Outdoor and Silent.
Press Up/Down key to select one profile and then press ok key.
Select Activate to activate the profile.
These profiles have been set before leaving factory. Press Personalise to access
the detailed settings. You can modify each setting.
Alert Type: Select the combined style of Vibrator and ringtone.
Ringing Tone: Choose the alerting polyphonic ring tone.
Ringing Volume: Adjust the volume of the ring tone.
37