iBall Andi4 IPS Velvet, Руководство пользователя

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Screen sleep
After a period of inactivity, your screen will go to sleep (display will turn black). In
sleep, your phone uses less battery power. You can control this behavior by following
the below mentioned steps:
Set screen timeout period
1. On the Home screen, touch and select Settings.
2. Select Display option.
3. Select “Screen Time out”, to set the time period of sleep mode.
Press POWER key once to off display immediately. While not on a call, to lock your
control buttons and screen from accidental touch activation, press POWER key.
You can increase the security of your phone by setting Screen unlock pattern. Once
set, in order to unlock your screen, you’ll have to draw the correct unlock pattern. You
can set your screen unlock pattern as follows:
1. On the Home screen, touch and select Settings.
2. Select Security and then scroll down to Screen lock pattern section.