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Phone Siemens CT66 / C66 / C65 / C71 / C70 Samsung SPH-N240 Samsung Galaxy Attain 4G Samsung SGH-A657 Samsung SCH-A990
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 3.5" diag.
5 : 3
? ?
Display Resolution & Type 130 x 130 pixels
LCD (Color)
128 x 64 pixels 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 600 mAh ? 1,650 mAh 1,420 mAh 1,000 mAh
Processor ? ? ? ? ?
RAM ? ? 512 MB ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes - 3 megapixel - 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - WVGA / 480p - ?
Front Camera - - 1 megapixel - -
Weight 3 oz
(85g)
3.2 oz
(91g)
4.2 oz
(119g)
4.34 oz
(123g)
4.4 oz
(125g)
Dimensions 4.1" x 1.8" x 0.7"
(104 x 46 x 17.8 mm)
4.1" x 1.5" x 0.7"
(104 x 38 x 17.8 mm)
4.57" x 2.38" x 0.46"
(116 x 60 x 11.7 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

GSM: 850, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 4

CDMA: 850, 1700, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS - LTE (Cat 3) HSDPA 3.6 EVDO r0
Features 
Flashlight - - - Yes Yes
GPS / Location - Yes n/a Yes Yes
Ruggedized - - - Yes -
Accessibility
Hearing Aid Compatible - - Yes - Yes
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles Yes - - - -
Connectivity
Bluetooth - - Yes Yes Yes
Infrared (IR) Yes - - - -
USB Yes - Yes
Micro-USB
Yes Yes
Wi-Fi - - Yes - -
Contacts
Picture ID Yes - n/a Yes Yes
Ringer ID Yes Yes n/a Yes Yes
Voice Dialing - Yes n/a - Yes
Customization
Changeable Body Plates Yes Yes - - -
Custom Graphics Yes - n/a Yes Yes
Custom Ringtones Yes - n/a Yes Yes
Real-Music Ringers - - n/a Yes Yes
Data & Network
Data Tethering - - n/a Yes Yes
WAP / Web Browser Yes - n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys - Yes Yes Yes Yes
Touch Screen - - Yes - -
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - - n/a Yes -
EMS / Picture Messaging Yes - n/a - Yes
Instant Messaging - - n/a Yes -
MMS Yes - n/a Yes Yes
Text Messaging Templates Yes - n/a Yes Yes
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player - - n/a Yes Yes
Stereo Speakers - - - - Yes
Photo & Video
DLNA - - Yes - -
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 Yes n/a Yes -
Voice Memo Yes - n/a Yes Yes
Software
BREW - - n/a - Yes
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes - n/a Yes -
Voice
Call Screening Yes - - - -
Headset Jack (2.5 mm) - Yes n/a - -
Push-To-Talk Yes * - - Yes -
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  Siemens CT66 / C66 / C65 / C71 / C70 Samsung SPH-N240 Samsung Galaxy Attain 4G Samsung SGH-A657 Samsung SCH-A990
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens CT66 / C66 / C65 / C71 / C70 Samsung SPH-N240 Samsung Galaxy Attain 4G Samsung SGH-A657 Samsung SCH-A990

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