5
Battery charging tips and precautions
The battery is built into the device and is not remov-
able. Do not remove the battery by yourself.
Risk of explosion if battery is replaced by an incorrect
type. Dispose of used batteries according to the in-
structions.
• Use only approved chargers, batteries, and cables. Using
an unapproved or incompatible power adaptor, charger, or
battery may damage your phone, shorten its lifespan, or
cause a re, explosion, or other hazards.
• Avoid using your device when it is charging. Do not cover
your device or the power adaptor.
• 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.
• If non-standard chargers such as computers are used for
charging, then a longer charge time may be needed.
• Fully charge the battery before first using the device and
disconnect the charger immediately after the rst charge is
completed.
• Remove the charger from the electric socket when not
charging the phone.
• The device may not start immediately if charging with low
battery. After a period of charging, the device will start nor-
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