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Nokia 7390 User Manual

Nokia 7390
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Care and maintenance
102
Care and maintenance
Your 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.
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 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.
Do not paint the device. Paint can clog the moving parts and prevent
proper operation.
Do not touch the main display with hard or angular materials. Objects like
earrings or jewellery may scratch the display.
Use a soft, clean, dry cloth to clean any lenses (such as camera, proximity
sensor, and light sensor lenses).
Use only the supplied or an approved replacement antenna. Unauthorized
antennas, modifications, or attachments could damage the device and may
violate regulations governing radio devices.
Use chargers indoors.
Always create a backup of data you want to keep (such as contacts and
calendar notes) before sending your device to a service facility.

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Nokia 7390 Specifications

General IconGeneral
Display type-
Display diagonal- \
External displayYes
Display resolution240 x 320 pixels
Display number of colors16.78 million colors
External display resolution128 x 160 pixels
External display number of colors262144 colors
Internal memory28 MB
Maximum memory card size2 GB
Image formats supportedJPG
Rear camera resolution (numeric)3 MP
Data network3G, CDMA, GPRS, GSM, WCDMA
GSM bands supported900, 1800, 1900 MHz
SIM card capabilitySingle SIM
WCDMA bands supported2100 MHz
Mobile network generation3G
Interfacemin-USB
Playback formatsmp3, wma, amr, mpeg4, AAC, eAAC+
Headset connectivityHS-60
USB 2.0 ports quantity0
Multimedia Messaging Service (MMS)Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network
Video compression formats3gp
Ringer typePolyphonic
Audio formats supportedAAC, MP3, WMA
Polyphonic rings quantity64
Form factorClamshell
Personal info management (PIM)Alarm clock, Calculator, Calendar, Stopwatch
Battery typeBP-5M
Talk time (2G)3 h
Talk time (3G)2.5 h
Standby time (2G)220 h
Bluetooth version2.0+EDR
Weight and Dimensions IconWeight and Dimensions
Depth90 mm
Width47 mm
Height19 mm
Weight115 g

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