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Phone Sony Ericsson K850 Nokia 5310 Sanyo SCP-3100 ZTE Solar Samsung SGH-A657
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
2" diag.
4 : 3
? 4.5" diag.
16 : 9
?
Display Resolution & Type 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery ? 860 mAh 1,000 mAh 2,070 mAh 1,420 mAh
Processor ? ? ? 1.2 GHz Qualcomm Snapdragon 200 MSM8625 ?
RAM ? ? ? 768 MB ?
Storage ? raw hardware ? raw hardware ? raw hardware 4 GB ? raw hardware
Main Camera 5 megapixel 2 megapixel Yes 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? QCIF (176 x 144) - WVGA / 480p -
Front Camera - - - - -
Weight 4.2 oz
(119g)
2.48 oz
(70g)
3.5 oz
(99g)
5.54 oz
(157g)
4.34 oz
(123g)
Dimensions 4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
4.09" x 1.76" x 0.39"
(104 x 45 x 9.9 mm)
3.31" x 1.83" x 1.01"
(84 x 46 x 25.7 mm)
5.24" x 2.6" x 0.39"
(133 x 66 x 9.9 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 EDGE 1xRTT HSPA 7.2 HSDPA 3.6
Features 
Flashlight - - - - Yes
GPS / Location - - Yes n/a Yes
Ruggedized - - - - Yes
Accessibility
Adjustable Text Size - - - n/a -
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - Yes - -
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth Yes Yes - Yes Yes
USB Yes Yes
Micro-USB
Yes Yes
Micro-USB
Yes
Wi-Fi - - - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes Yes n/a Yes
Ringer ID Yes Yes Yes n/a Yes
Voice Dialing Yes Yes Yes n/a -
Customization
Custom Graphics Yes Yes Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers Yes Yes - n/a Yes
Data & Network
Data Tethering Yes Yes - n/a Yes
External Antenna Jack - - Yes n/a -
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client Yes Yes - n/a Yes
Instant Messaging - - - n/a Yes
MMS Yes Yes - n/a Yes
Text Messaging Templates Yes Yes - n/a Yes
Music
FM Radio Yes Yes - - -
Headphone Jack (3.5mm) - Yes - Yes -
Music Player Yes Yes - n/a Yes
Photo & Video
Video Calling Yes * - - n/a -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List Yes Yes - n/a Yes
Voice Memo Yes Yes Yes n/a Yes
Software
Games Yes Yes Yes n/a Yes
Java (J2ME) Yes Yes Yes n/a Yes
Voice
Call Screening - - Yes - -
Headset Jack (2.5 mm) - - Yes n/a -
Push-To-Talk - Yes * Yes - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Sony Ericsson K850 Nokia 5310 Sanyo SCP-3100 ZTE Solar Samsung SGH-A657
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Phone Sony Ericsson K850 Nokia 5310 Sanyo SCP-3100 ZTE Solar Samsung SGH-A657

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