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Phone Samsung Jitterbug J / SPH-A310 Samsung SCH-A990 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 176 x 220 pixels
(~134 ppi)
LCD (Color)
240 x 320 pixels
LCD (TFT/TFD)
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 3.99 oz
(113g)
4.4 oz
(125g)
5.1 oz
(145g)
5.06 oz
(144g)
3.4 oz
(96g)
Dimensions 3.87" x 2.16" x 0.97"
(98 x 55 x 24.6 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 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 Jitterbug J / SPH-A310 Samsung SCH-A990 HP iPAQ 610 Business Navigator Samsung Droid Charge Nokia 2651
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Phone Samsung Jitterbug J / SPH-A310 Samsung SCH-A990 HP iPAQ 610 Business Navigator Samsung Droid Charge Nokia 2651

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