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Phone Samsung SGH-P850 / P858 ZTE C88 Samsung SCH-A645 Samsung SGH-X507 / X506 Kyocera Echo
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
? ? 3.5" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 950 mAh 800 mAh 1,000 mAh 800 mAh 1,370 mAh
Processor ? ? ? ? 1 GHz Qualcomm Snapdragon S1 QSD8650
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel Yes - - 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - - - 720p HD
Front Camera - - - - -
Weight 4.23 oz
(120g)
3.46 oz
(98g)
3.2 oz
(91g)
2.9 oz
(82g)
6.8 oz
(193g)
Dimensions 3.77" x 1.86" x 0.96"
(96 x 47 x 24.4 mm)
3.85" x 1.92" x 0.7"
(98 x 49 x 17.8 mm)
3.54" x 1.79" x 0.94"
(90 x 45 x 23.9 mm)
3.3" x 1.75" x 0.75"
(84 x 44 x 19.1 mm)
4.53" x 2.22" x 0.68"
(115 x 56 x 17.2 mm)
Form Factor Clamshell Clamshell Clamshell Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EDGE 1xRTT 1xRTT EDGE EVDO rA
Features 
GPS / Location - Yes Yes - n/a
Accessibility
Hearing Aid Compatible - - Yes - Yes
Multiple Languages Yes Yes Yes Yes n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display Yes Yes Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
-
-
Yes
Classic Audio
Mobile Hotspot - - - - n/a
USB Yes Yes
Micro-USB
- Yes Yes
Wi-Fi - - - - Yes
802.11 b,g
Contacts
Picture ID Yes - Yes Yes n/a
Ringer ID Yes Yes - Yes n/a
Voice Dialing - Yes Yes - n/a
Customization
Custom Graphics Yes Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes Yes n/a
Real-Music Ringers Yes Yes - Yes n/a
Data & Network
Data Tethering - - - Yes n/a
WAP / Web Browser Yes Yes Yes * Yes n/a
Input
Predictive Text Entry Yes Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - - Yes
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client Yes Yes - Yes * n/a
EMS / Picture Messaging - - Yes Yes n/a
Instant Messaging - Yes - Yes n/a
MMS Yes Yes - Yes n/a
Text Messaging Templates Yes Yes Yes Yes n/a
Music
Headphone Jack (3.5mm) - - - - Yes
Music Player Yes - - - n/a
Stereo Speakers Yes - - - -
Photo & Video
TV Output Yes - - - -
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar Yes Yes Yes Yes n/a
To-Do List - - Yes - n/a
Voice Memo Yes Yes Yes Yes n/a
Software
BREW - Yes Yes * - n/a
Games Yes Yes Yes * Yes n/a
Java (J2ME) Yes - - Yes n/a
Voice
Headset Jack (2.5 mm) - - Yes Yes n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-P850 / P858 ZTE C88 Samsung SCH-A645 Samsung SGH-X507 / X506 Kyocera Echo
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Phone Samsung SGH-P850 / P858 ZTE C88 Samsung SCH-A645 Samsung SGH-X507 / X506 Kyocera Echo

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