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Model		 Sidekick II
Sidekick II		 Sidekick 3
Side-by-side comparison - Sidekick		 Sidekick iD
Side-by-side comparison - Sidekick		 Sidekick LX
Side-by-side comparison - Sidekick		 Sidekick Slide
Side-by-side comparison - Sidekick
Manufactured by
 Sharp
 Sharp
 Sharp
 Sharp
 Motorola
Price
 $160 used
(on auction sites)		 $180 used
(on auction sites)		 $49.99 new
with 2-year contract		 $299.99 new
with 2-year contract		 $199.99 new
with 2-year contract
Battery life - Talk
 2.5 hours
 5 hours 5 hours 6.8 hours 5 hours
Battery life - Standby 5 days
 2.5 days 2.5 days 5 days 3 days
Battery Type Built-in
Li-Ion		 Removable
Li-Ion		 Removable
Li-Ion		 1540mAh Li-Ion Removable
1130mAh Li-Ion
Battery Charging
 External Power Supply
 External Power Supply

 External Power Supply

 Over USB
External Power Supply
 Over USB
External Power Supply
Personalization Bumpers Skins Faceplate, Bumpers No Skins
[Gel]
Codecs --- AMR, EFR, FR, HR AMR, EFR, FR, HR AMR, EFR, FR, HR ???
Dimensions 132 mm 130 mm
 130 mm 130 mm 117 mm
66 mm 59 mm
 59 mm 60 mm 61 mm
23.5 mm 20 mm
 22 mm 22 mm 18 mm
Display - Technology TFT TFT ??? TFT ???
Display - Colors 65536 (16-bit) 65536 (16-bit) 65536 (16-bit) Up to 65000 Up to 65000
Display - Size 240 x 160 240 x 160 240 x 160 400 x 240 320 x 240
Display - Physical Size 2.75" 2.75" 2.4" 3" (2.625" x 1.625") 2.5"
Mini Display --- N/A --- --- ???
Internal Memory 32Mb RAM ??? 64Mb Flash
64Mb RAM		 64Mb Flash
64Mb RAM		 64Mb Flash
128Mb RAM
Expansion Memory N/A miniSD,
64Mb card included		 N/A microSDHC (up to 32Gb)
128Mb card included		 microSD (up to 4Gb)
CPU
 ???
 ARM9
200 MHz 		???
 OMAP331 ARM-9
200 MHz		 TI OMAP 850
225MHz
Frequency Bands GSM 900
GSM 1800
GSM 1900		 GSM 850
GSM 1800
GSM 1900		 GSM 850
GSM 1900		 GSM 850
GSM 900
GSM 1800
GSM 1900
 GSM 850
GSM 900
GSM 1800
GSM 1900
Phone Style Flip Screen Flip Screen Flip Screen Flip Screen Slider
Navigaton
 Wheel
 Trackball
 Trackball Trackball Trackball
Phonebook 2000 on device
250 on SIM		 2000 on device
250 on SIM		 2000 on device
250 on SIM		 2000 2000 on device
250 on SIM
OS Hiptop OS Hiptop OS Hiptop OS Danger OS Danger OS
Weight 187 g 190 g 182 g 162 g
 150 g
Call Management
Concatenation
 ???
 ???
 ???
 Y
 ???
Picture Caller ID
 Y
 Y Y Y Y
External CLI (Calling Line Identification) ???
 ???
 ???
 Y
 Y
Ringer Caller ID Y
 Y Y Y Y
Speed Dial / One-Touch Dial 9 entries max
 8 entries max
 Y
Speakerphone Y
 Full Duplex
 Full Duplex Full Duplex Y
TTD ???
 ???
 ???
 via software download
 ???
TTY ???
 ???
 ???
 via software download ???
Vibrate Y
 Y
 Y
 Y
 Y
Voice Activated Dialing N
 N
 N
 N
 N
Camera
Resolution
 640x480
(0.3 megapixel)
 1280 x 1024
(1.3 megapixel)		 N
 1280 x 1024
(1.3 megapixel)
 1280 x 1024
(1.3 megapixel)
Modes ???
 Single
Low Light
Flash
 ---
 Automatic,
Night		 Automatic, Night
Multi Shot
 N N
 ---
 N
 ???
Flash
 Y
 Y
 ---
 Yes, 10 cd max
 N
Take and Keep
 ???
 ???
 ---
 Y
 ???
Quick Send ???
 ???
 ---
 Y
 Y
Zoom
 N
 N
 N
 N
 N
Video Capture
 N
 N
 N
 N
 N
Connectivity
Bluetooth
 N
 v 1.2
 N
 Class 2 v 2.0
 Y
Auto Pairing
 ---
 ???
 ---
 Y
 ???
Browser
 Danger
 Danger
WAP/HTML support
 Danger
WAP/HTML support
 Danger
HTML4 support
 ???
EDGE
 N
 Class E2
 Class E2
 Class 10
 Class 10
GPRS
 Y
 Class 0.4
 Class 0.4
 Class 10 Class 10
Cable sync
 via software download via software download
 via software download via software download
 ???
IR port
 N
 N
 N
 N
 ???
UMA
 N
 N
 N
 N
 ???
UMTS
 ???
 ???
 ???
 N
 ???
AGPS
 ???
 ???
 ???
 N
 ???
LBS
 ???
 ???
 ???
 N
 ???
USB
 N
 USB 1.1
 N
 mini-USB
 ???
USB Mass Storage
 N
 Y
 N
 Y
 Y
Wi-Fi
 N
 N
 N
 N
 N
Headset Jack
 2.5 mm
 2.5 mm 2.5 mm
 3.5 mm
 2.5 mm

Messaging
E-mail
 POP3, IMAP4
 POP3, IMAP4 POP3, IMAP4, Gmail
 POP3, IMAP4, Gmail POP3, IMAP4, Gmail
Instant Messaging
 AIM, ICQ, Yahoo
 AIM, ICQ, MSN, Yahoo
 AIM, ICQ, MSN, Yahoo AIM, ICQ, MSN, Yahoo AIM, ICQ, MSN, Yahoo
MMS
 N
 N
 N
 Audio, Graphics, Photos Audio, Graphics, Photos
SMS
 Y
 Y
 Y
 Y
 Y
Concatenation Support N
 Y
 Y
 Y
 Y
Digital TTY/TDD Support Y
 via software download

 via software download via software download via software download
Predictive Text N
 Y
 Y
 N
 ???
Business
Alarm
 Y
 N
 N
 premium download ???
Calculator
 via software download
 N
 N
 free download free download
Calendar
 Y
 Y
 Y
 Y
 Y
Currency Converter
 via software download N
 N
 premium download Application Can Be Downloaded
Dictionary
 N
 N
 N
 N
 ???
Memo / Notepad
 Y Y
 Y
 Y
 Y
To-Do List
 Y Y
 Y
 Y
 Y
Phone Book
 Y
 Y
 Y
 Y
 Y
Voice Memo
 N N
 N
 N
 ???
Personalization & Fun
myFaves
 N
 Y
 Y
 Y
 Y
FM Radio
 N
 N
 N
 N
 N
Music Player
 N
 MP3, WAV
 N
 MP3, WAV, M4A (AAC), WMA without DRM MP3, AAC
Built-in Games
 Rock & Rocket
 Rock & Rocket Pump Jack
 Bob's Journey
 Bob`s Journey
Software Downloads
 Y
 Y
 Y
 Y
 Y
Ringtones Polyphonic
 Polyphonic,
???
 Polyphonic,
???		 Polyphonic, Megatones,
HiFi Ringers		 Polyphonic,
Megatones,
HiFi Ringers
Make your own ringtones
 N
 N
 N
 N
 N
Max # of Ringtones
 12
 22
 22
 10
 10
Wallpaper
 N
 Static
 Static
 ???
 ???