ZTE Kis3 - Manual (Page 145)

144
VPN
Set up and connect to virtual private networks. See Connecting
to Networks and Devices – Connecting to Virtual Private
Networks
.
Mobile Networks
Control mobile data use, select mobile network and set access
point names. See
Connecting to Networks and Devices –
Connecting to Mobile Networks .
Device
Optimizing Memory
Optimize the phone memory manually or automatically by
closing the background apps.
Sound
Adjust volumes (see Personalizing – Adjusting Volumes ),
toggle sound and mute (see Switching to Silent Mode ), set up
ringtone and notification sound (see Personalizing – Changing
Ringtone and Notification Sound ), and select system sounds.