Verykool I316BR - Manual (Page 22)

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causes direct connection of the positive (+) and negative (-)
terminals of the battery. (These look like metal strips on the
battery.) Short-circuiting the terminals may damage the
battery or the connecting object.
• Leaving the battery in hot or cold places, such as in a
closed car in summer or a freezer in winter conditions, will
reduce the capacity and lifetime of the battery. Always try to
keep the battery between 59°F and 77°F (15°C and 25°C). A
hot or cold battery may not function temporarily, even when
the battery is fully charged.
• Battery performance is particularly limited in temperatures
below freezing.
• Do not dispose of batteries in a fire! Dispose of batteries
according to local regulations. Please recycle when possible.
Cell phones are not considered household waste.
• Caution: This phone has dual batteries. There is a switch
near main battery inside the phone. Push this switch; you
can shift it into dual batteries or single battery.
Mobile phone maintenance
• Keep the device dry. Precipitation, humidity, and all types
of liquids or moisture can contain minerals that will corrode
electronic circuits. If your device does get wet, remove the
battery and allow the device to dry completely before
replacing it.
• Do not use or store the device in dusty, dirty areas. Its
moving parts and electronic components can be damaged.
• Do not store the device in hot areas. High temperatures
can shorten the life of electronic devices, damage batteries,
and warp or melt certain plastics.
• Do not store the device in cold areas. When the device
returns to its normal temperature, moisture can form inside