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Phone Samsung SGH-A657 BlackBerry 7750 Coolpad Quattro 4G Motorola i870 / i875 Ericsson T66
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4" diag.
5 : 3
? ?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
?
Display Refresh ? ? 60 Hz ? ?
Battery 1,420 mAh ? 1,600 mAh ? ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware 512 MB ? raw hardware ? raw hardware
Main Camera - - 3 megapixel 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - VGA (640 x 480) ? -
Front Camera - - Yes - -
Weight 4.34 oz
(123g)
5.01 oz
(142g)
3.31 oz
(94g)
4.5 oz
(128g)
2.08 oz
(59g)
Dimensions 4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
3.46" x 1.91" x 1.04"
(88 x 49 x 26.4 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS (proprietary) BlackBerry OS Android (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

iDEN: 800

GSM: 900, 1800, 1900

Data Technology HSDPA 3.6 1xRTT LTE (Cat 3) WiDEN -
Features 
Flashlight Yes - - - -
GPS / Location Yes n/a n/a Yes -
Ruggedized Yes - - - -
Accessibility
Hearing Aid Compatible - - Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
-
Multiple Languages Yes n/a n/a - Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display - - - Yes -
Ringer Profiles - Yes - Yes Yes
Connectivity
Bluetooth Yes - Yes Yes -
Mobile Hotspot - n/a n/a - -
USB Yes Yes Yes - -
Wi-Fi - - Yes - -
Contacts
Picture ID Yes n/a n/a Yes -
Ringer ID Yes n/a n/a Yes -
Voice Dialing - n/a n/a Yes -
Customization
Custom Graphics Yes n/a n/a Yes Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers Yes n/a n/a - -
Data & Network
Data Tethering Yes n/a n/a Yes -
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - - Yes
Capacitive
- -
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client Yes n/a n/a - -
EMS / Picture Messaging - n/a n/a - Yes
Instant Messaging Yes n/a n/a - -
MMS Yes n/a n/a Yes -
Text Messaging Templates Yes n/a n/a Yes Yes
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player Yes n/a n/a Yes -
Productivity
Alarm Yes n/a n/a - Yes
Calculator Yes n/a n/a - Yes
Calendar Yes n/a n/a Yes Yes
To-Do List Yes n/a n/a - Yes
Voice Memo Yes n/a n/a Yes -
Software
Games Yes n/a n/a Yes Yes
Java (J2ME) Yes n/a n/a Yes -
Voice
Headset Jack (2.5 mm) - n/a n/a Yes -
Push-To-Talk Yes - - Yes -
Speaker Phone Yes - Yes Yes -
  Samsung SGH-A657 BlackBerry 7750 Coolpad Quattro 4G Motorola i870 / i875 Ericsson T66
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Phone Samsung SGH-A657 BlackBerry 7750 Coolpad Quattro 4G Motorola i870 / i875 Ericsson T66

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