Charging the Battery
Charge the battery before using it for the first time or when
it has been unused for extended periods of time.
1 Connect the USB cable to the USB power adapter,
and then plug the end of the USB cable into the USB
port.
2 Plug the USB power adapter into an electric socket.
3 After the battery is fully charged, disconnect the
phone from the charger. First unplug the charger from
the device, and then unplug it from the electric socket.
Battery charging tips and precautions
Use only approved chargers, batteries, and cables. Using
an unapproved 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 phone or the power adapter.
• Connecting the charger improperly may cause serious
damage to the phone. Any damage caused by misuse
is not covered by the warranty.
• If the AC power supply is of a lower voltage, then a
longer charging time may be needed.
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