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Phone Samsung SCH-A990 Samsung Jitterbug J / SPH-A310 HP iPAQ 610 Business Navigator Samsung Droid Charge Nokia 2651
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 2.1" diag.
4 : 3
2.8" diag.
4 : 3
4.3" diag.
5 : 3
?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (Color)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
AMOLED
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? 60 Hz ?
Battery 1,000 mAh ? 1,590 mAh 1,500 mAh 760 mAh
Processor ? ? 520 MHz Marvell PXA270 1 GHz Samsung Hummingbird ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel - 3 megapixel 8 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - QCIF (176 x 144) 720p HD -
Front Camera - - - 1 megapixel -
Weight 4.4 oz
(125g)
3.99 oz
(113g)
5.1 oz
(145g)
5.06 oz
(144g)
3.4 oz
(96g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.87" x 2.16" x 0.97"
(98 x 55 x 24.6 mm)
4.61" x 2.37" x 0.69"
(117 x 60 x 17.5 mm)
5.1" x 2.68" x 0.46"
(130 x 68 x 11.7 mm)
3.35" x 1.81" x 0.9"
(85 x 46 x 22.9 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Windows Mobile Professional Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 13

CDMA: 850, 1900

GSM: 850, 1900

Data Technology EVDO r0 - HSPA 7.2 LTE (Cat 3) GPRS
Features 
Flashlight Yes - - - -
GPS / Location Yes Yes n/a n/a -
Accessibility
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages Yes - n/a n/a Yes
TTY/TDD (Digital) Yes - - Yes -
Alerts
Extra Display Yes Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot - - n/a n/a -
USB Yes - Yes
Mini-USB
Yes
Micro-USB
-
Wi-Fi - - Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes - n/a n/a -
Ringer ID Yes - n/a n/a -
Voice Dialing Yes Yes n/a n/a -
Customization
Custom Graphics Yes - n/a n/a Yes
Custom Ringtones Yes - n/a n/a Yes
Real-Music Ringers Yes - n/a n/a -
Data & Network
Data Tethering Yes - n/a n/a -
WAP / Web Browser Yes - n/a n/a Yes
Input
Predictive Text Entry Yes - n/a n/a Yes
Side Keys Yes Yes Yes Yes -
Touch Screen - - Yes Yes -
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client - - n/a n/a Yes
EMS / Picture Messaging Yes - n/a n/a Yes
Instant Messaging - - n/a n/a -
MMS Yes - n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a -
Music
Headphone Jack (3.5mm) - - - Yes -
Music Player Yes - n/a n/a -
Stereo Speakers Yes - - - -
Photo & Video
DLNA - - - Yes -
TV Output Yes - - Yes -
Video Calling - - n/a n/a -
Productivity
Alarm Yes - n/a n/a Yes
Calculator Yes - n/a n/a Yes
Calendar Yes - n/a n/a Yes
To-Do List - - n/a n/a -
Voice Memo Yes - n/a n/a -
Software
BREW Yes - n/a n/a -
Games Yes - n/a n/a Yes
Java (J2ME) - - n/a n/a Yes
Voice
Speaker Phone Yes Yes Yes Yes -
  Samsung SCH-A990 Samsung Jitterbug J / SPH-A310 HP iPAQ 610 Business Navigator Samsung Droid Charge Nokia 2651
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Phone Samsung SCH-A990 Samsung Jitterbug J / SPH-A310 HP iPAQ 610 Business Navigator Samsung Droid Charge Nokia 2651

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