the number of navigation keys on.
Also can switch to the digital input mode; press the corresponding number
key input.
18. Maintenance and Help
18.1. Care and Maintenance
You device is a product of superior design and craftsmanship and should be
treated with care. The suggestions below will help you protect your warranty
coverage and enjoy your device for many years.
Keep the phone and all of its parts and accessories out of
reach of small children.
Keep the device dry, precipitation, humidity and all types
of liquids or moisture can contain minerals that can
corrode electronic circuits.
Do not use or store the device in dusty, dirty areas.
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 the device and damage electronic
circuit boards.
Do not attempt to open the device other than as instructed in this guide.
Do not drop, knock, or shake the device. Rough handling can break internal
circuit boards and fine mechanics.
Do not use harsh chemicals, cleaning solvents, or strong detergents to clean
the device. Wipe it with a soft cloth slightly dampened in a mild soap-and-
water solution.
Use only the supplied or approved attachments.
If the phone or any accessory is not working properly, take it to your nearest
qualified service facility.
18.2. On Battery
Your device is powered by a rechargeable battery. The full performance of a
new battery is achieved only after two or three complete charge and
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