•
If you have not used the battery for more than a month, recharge it before
using your phone.
•
Avoid exposing the battery to extreme temperatures, direct sunlight, or
high humidity.
•
Never dispose of any battery in or near a fire. It could explode.
Common causes of battery drain
•
Playing games.
•
Using the Web.
•
Keeping backlight on.
•
Operating in analog ( ) mode. Your phone switches between modes to
find the best signal. To set your phone to operate in a single mode, select
Menu → Settings → Network → Digital or Analog.
•
Operating in digital mode when far away from a base station or cell site.
•
Using data cables or accessories, such as the Hands-free headset.
•
Operating when no service is available, or service is available
intermittently.
•
High earpiece and ringer volume settings.
•
Repeating sound, vibration, or lighted alerts.
User Guide for the Kyocera K490 phone
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