Call Settings; Connect To Pc - Zte Z557BL User Manual


Tap Screen > Reduce the screen brightness and/or
screen timeout to change screen brightness and sleep
setting.

Tap Battery saver to manage battery saving mode. You
can turn Battery saver on or off, or set a battery level at
which it turns on automatically.

Tap
helps prolong battery standby time when you're not using
the phone. To turn battery optimization off for specific
apps, tap
tap Don't optimize > DONE.
Memory
Monitor the average memory use and performance of your
phone. You can also check which apps use the most memory.

Call Settings

Configure your call settings (see Phone Calls - Adjusting Your
Call Settings).

Connect to PC

Select the USB connection mode between your phone and PC
(see Connecting to Networks and Devices – Connecting to Your
Computer via USB – Connecting Your Phone to a Computer via
USB).
> Battery optimization. Battery optimization
> All apps. Tap the app name, and then
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