Verykool i240 - Manual (Page 21)

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For example, press the "2" key continuously, it will appear
"a"、"b"、"c"、"2"one by one.
5.2 Number entry mode
Number Entry Mode can input the number in the text, such
as telephone number. Tap the proper number and input it.
6. Care and Maintenance
Battery care
• Your device is powered by a rechargeable battery. When
the power is weak, please charge the battery. In order to
extend the lifespan of the battery, use all the battery's power
before recharging.
• Unplug the charger from the electrical plug and the device
when not in use. Do not leave the battery connected to a
charger more than a week. Overcharging may shorten its
lifespan.
• Extreme temperatures can affect the ability of your battery
to charge. Battery needs the fit temperature. If the sur-
rounding temperature is over 40°C, the battery cannot be
charged.
• Use the battery only for its intended purpose. Never use
any charger or battery that is damaged.
Do not short-circuit the battery. Accidental short-circuiting
can occur when a metallic object such as a coin, clip, or pen
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