Table of Contents
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Feature
Keys - side and other
Keypad lock
Lock the phone keys to prevent activation of a
function in the phone
Lunar calendar
A calendar system used in China and other
parts of Asia. A lunar month is determined by
the period required for the moon to complete
its full cycle of 29.5 days
Memory (built-in)
Phone memory that is free for the user to use
for pictures, sounds, and more
Menu shortcuts
Support for dedicating shortcuts to frequently
used phone functions
MMS (Multimedia Messaging Service)
Picture messaging with text and sound
Networks
OTA settings
WAP and other settings can be sent over-the-
air to the phone
Picture gallery
A thumbnail image gallery
R300
T250
Volume key
No
Audio enhancer
key
Three radio
channel keys
Yes
Yes
Yes
Yes
Up to 8.0 MB
Up to 3.0 MB
Yes
Yes,
fixed shortcuts
Yes
Yes
GSM (R99) Tri-
GSM (R97) Dual-
band:
band:
• 900/1800/
• 900/1800
1900
• 850/1900
• 850/1800/
1900
Yes
Yes
Yes
No
13
White paper
R300
T280
No
Yes
Yes
Up to 10 MB
Yes,
fixed shortcuts
Yes,
MMS1.2 features
except for
vCalendar
GSM (R97) Dual-
band:
• 900/1800
• 850/1900
Yes
No
May 2008
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