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Phone Samsung SGH-X820 Motorola T720 / T721 (GSM) HP iPAQ 610 Business Navigator Nokia 1606 Nokia 6255i / 6256i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? ? 2.8" diag.
4 : 3
1.8" diag.
4 : 3
?
Display Resolution & Type 220 x 176 pixels
LCD (TFT/TFD)
120 x 160 pixels
LCD (STN)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 650 mAh ? 1,590 mAh ? 1,070 mAh
Processor ? ? 520 MHz Marvell PXA270 ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel - 3 megapixel - Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - QCIF (176 x 144) - ?
Front Camera - - - - -
Weight 2.33 oz
(66g)
3.56 oz
(101g)
5.1 oz
(145g)
2.68 oz
(76g)
4.23 oz
(120g)
Dimensions 4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
3.5" x 1.87" x 0.83"
(89 x 47 x 21.1 mm)
4.61" x 2.37" x 0.69"
(117 x 60 x 17.5 mm)
3.3" x 1.73" x 0.63"
(84 x 44 x 16 mm)
3.36" x 1.87" x 0.97"
(85 x 47 x 24.6 mm)
Form Factor Slab Clamshell Slab Clamshell Clamshell
Platform / OS (proprietary) (proprietary) Windows Mobile Professional (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology EDGE GPRS HSPA 7.2 1xRTT 1xRTT
Features 
Flashlight - - - Yes -
GPS / Location - - n/a Yes Yes
Accessibility
Hearing Aid Compatible - - - - Yes
Multiple Languages Yes Yes n/a - Yes
TTY/TDD (Digital) - - - - Yes
Alerts
Extra Display - Yes - Yes Yes
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes - Yes - Yes
Infrared (IR) - - - - Yes
USB Yes - Yes
Mini-USB
Yes
Micro-USB
Yes
Wi-Fi - - Yes
802.11 b,g
- -
Contacts
Picture ID Yes - n/a - Yes
Ringer ID Yes Yes n/a - Yes
Voice Dialing - Yes n/a Yes Yes
Customization
Changeable Body Plates - Yes - - -
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers Yes - n/a - Yes
Data & Network
Data Tethering - Yes n/a - Yes
External Antenna Jack Yes - n/a - -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes - -
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client Yes Yes n/a - Yes
EMS / Picture Messaging Yes Yes n/a - Yes *
Instant Messaging - - n/a - -
MMS Yes - n/a Yes Yes
Text Messaging Templates Yes Yes n/a - Yes
Music
FM Radio - - - - Yes
Music Player - - n/a - Yes *
Photo & Video
TV Output Yes - - - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List Yes - n/a Yes Yes
Voice Memo Yes Yes n/a Yes Yes
Software
BREW - - n/a Yes Yes *
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes Yes n/a - Yes *
Voice
Headset Jack (2.5 mm) - Yes n/a Yes Yes
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  Samsung SGH-X820 Motorola T720 / T721 (GSM) HP iPAQ 610 Business Navigator Nokia 1606 Nokia 6255i / 6256i
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Phone Samsung SGH-X820 Motorola T720 / T721 (GSM) HP iPAQ 610 Business Navigator Nokia 1606 Nokia 6255i / 6256i

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