3. When the battery is full, disconnect the charger from the phone, then from
the wall outlet.
You don't need to charge the battery for a specific length of time, and you can
use the phone while it's charging.
If the battery is completely discharged, it may take up to 20 minutes before the
charging indicator is displayed.
You can use USB charging when a wall outlet is not available. Data can
be transferred while charging the device. The efficiency of USB charging
power varies significantly, and it may take a long time for charging to start
and the device to start functioning.
Make sure your computer is switched on.
First connect the USB cable to the computer, then to your phone. When the
battery is full, first disconnect the USB cable from your phone, then from
The battery can be charged and discharged hundreds of times, but it will
eventually wear out. When the talk and standby times are noticeably shorter than
normal, to replace the battery, take the device to the nearest authorized service
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