Data Usage; Airplane Mode - Zte blade V8 PRO User Manual

Data Usage

Press the Home key > Settings > All settings > Data usage to
manage mobile data use.
Touch the Cellular data or Set cellular data limit switches to
turn on or off mobile data or mobile data limit.
You can check how much data has been used during the time
cycle you set, set mobile data limit and warning, see what apps
have been using mobile data, or restrict background data for
individual apps.
NOTE:
The data usage is measured by your phone, and your carrier's
data usage accounting may differ.

Airplane Mode

Press the Home key > Settings > All settings > More and
slide the switch beside Airplane mode to turn airplane mode
on or off. All the phone's radios that transmit voice or data are
turned off when airplane mode is on.
VoLTE Voice Calling
Press the Home key > Settings > All settings > More and
slide the switch beside VoLTE voice calling to turn this feature
on or off. If supported by your carrier's network, VoLTE voice
calling gives you better call quality over the 4G LTE network.
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