14
Battery charging
Follow instructions in this section to charge your battery safely and
preserve battery life.
Charging your battery
Fully charge the battery before using it for the first time, or when the
phone has not been used for a long time, or when the battery is low.
To charge your battery, do the following:
1 Connect your USB charging cable to your USB power adapter.
Plug the end of the USB cable into the USB port, and the USB
power adapter into a power socket.
2 Once your battery is fully charged, disconnect your
phone from your USB charging cable.
Important safety precautions
The following precautions are extremely important and must be
followed at all times:
To charge your phone safely, it is also important to pay attention to
the following points:
• Use only approved chargers, batteries, and cables. Using an
nunapproved or incompatible power adapter, charger, or battery
may damage your phone, shorten its lifespan, or cause a fire,
explosion or other hazards.
• Avoid using your phone when it is charging. Do not cover your
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