User's Guide

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and hardware information.
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Backup & reset:Format the phone and restore to factory state.
Accessibility: You can set the use of some function, such as TalkBack, say
the password and other mobile phone accessibility options.
Scheduled power on & off:Set the time, at when the phone will
automatically turn on or off.
SIM management:Voice calls, video calls, messages, data connectivity
settings.
Developer options:Some options that the developers need to set .
Sound
In sound settings you can set volume, silent mode, phone ringtone,
default notification sound, vibrate when ringing, vibrate when phone answer,
dial pad touch tone, touch sounds,screen lock sound, vibrate on touch.