Overmax Vertis 02 plus User Manual page 33

flickering till the battery is fully charged.

The battery icon does no longer flicker when the charging process ends.
Note:
Ensure that the plug of the charger, the plug of the earphone, and the plug of
the USB cable are inserted in the right direction. Inserting them in a wrong
direction may cause charging failure or other problems.
Before the charging, ensure that the standard voltage and frequency of the local
mains supply match the rated voltage and power of the travel charger.
Optimizing battery life
You can extend your battery's life between charges by turning off features
that you don't need. You can also monitor how applications and system resources
consume battery power.
To guarantee the optimal performance of your battery, please stick to the
following rules:

Turn off radios that you aren't using. If you aren't using Wi-Fi, Bluetooth,
or GPRS, use the Setting application to turn them off.

Turn down screen brightness and set a shorter screen timeout.

If you don't need them, turn off automatic syncing for Gmail, Calendar,
Contacts, and other applications.
Note: On the Home screen, press Menu icon and touch Settings > About
phone > Battery use. The Battery Use screen lists the applications that have been
using the battery, from greatest to least battery use. The top of the screen
displays the time since you were last connected to a charger or, if you're currently
connected to one, how long you were running on battery power before you
connected to a charger. Then each application or service that used battery power
during that time is displayed, in order of the amount of power they used. Touch an
application in the Battery Use screen to learn details about its power consumption.
Different applications offer different kinds of information.
8.3
Your phone can connect to a variety of networks and devices, including
mobile networks for voice and data transmission, Wi-Fi data networks, and
Bluetooth devices, such as headsets. You can also connect your phone to a
computer, to transfer files from your phone's SD card and share your phone's
mobile data connection via USB.
Connecting to mobile networks
When you assemble your phone with a SIM card, your phone is configured to
use your provider's mobile networks for voice calls and for transmitting data.
Connecting to Wi-Fi networks
Wi-Fi is a wireless networking technology that can provide Internet access at
distances of up to 100 meters, depending on the Wi-Fi router and your
Linking to the Networks and devices