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Phone Kyocera Echo Huawei W1 BlackBerry 7750 Samsung M400 Huawei M750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
4" diag.
5 : 3
? 2.4" diag.
4 : 3
2.8" diag.
4 : 3
Display Resolution & Type 480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 1,370 mAh 1,950 mAh ? 1,000 mAh 1,150 mAh
Processor 1 GHz Qualcomm Snapdragon S1 QSD8650 1.2 GHz Qualcomm Snapdragon 400 MSM8230 ? 400 MHz Qualcomm QSC6155 ?
RAM ? 512 MB ? 128 MB ?
Storage ? raw hardware 4 GB ? raw hardware 256 MB ? raw hardware
Main Camera 5 megapixel 5 megapixel - 1 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 720p HD - - -
Front Camera - Yes - - -
Weight 6.8 oz
(193g)
4.41 oz
(125g)
5.01 oz
(142g)
3.7 oz
(105g)
3.92 oz
(111g)
Dimensions 4.53" x 2.22" x 0.68"
(115 x 56 x 17.2 mm)
4.84" x 2.5" x 0.41"
(123 x 64 x 10.4 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS Android Windows BlackBerry OS (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 800, 850, 1900

CDMA: 850, 1700, 1900

Data Technology EVDO rA HSPA+ 21 1xRTT 1xRTT 1xRTT
Features 
GPS / Location n/a n/a n/a Yes Yes
Accessibility
Adjustable Text Size n/a n/a n/a Yes -
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages n/a n/a n/a Yes -
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a n/a n/a - -
USB Yes Yes
Micro-USB
Yes Yes
Micro-USB
Yes
Wi-Fi Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
- - -
Contacts
Picture ID n/a n/a n/a Yes Yes
Ringer ID n/a n/a n/a Yes Yes
Voice Dialing n/a n/a n/a Yes -
Customization
Custom Graphics n/a n/a n/a Yes Yes
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a Yes -
Data & Network
Data Tethering n/a n/a n/a - -
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a Yes -
Side Keys Yes Yes Yes Yes Yes
Stylus - - - - Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes Yes - - Yes
Memory
Memory Card Slot Yes Yes - - Yes
Messaging
Email Client n/a n/a n/a - Yes
Instant Messaging n/a n/a n/a - Yes
MMS n/a n/a n/a Yes Yes
Text Messaging Templates n/a n/a n/a Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes - Yes Yes
Music Player n/a n/a n/a - Yes
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
To-Do List n/a n/a n/a - -
Voice Memo n/a n/a n/a Yes Yes
Software
BREW n/a n/a n/a - Yes
Games n/a n/a n/a Yes Yes
Java (J2ME) n/a n/a n/a - -
Voice
Headset Jack (2.5 mm) n/a n/a n/a - -
Speaker Phone Yes Yes - Yes Yes
  Kyocera Echo Huawei W1 BlackBerry 7750 Samsung M400 Huawei M750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera Echo Huawei W1 BlackBerry 7750 Samsung M400 Huawei M750

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