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Phone Samsung SGH-E635 / SGH-E630 BlackBerry Bold 9900 ZTE Engage LT / Engage MT Huawei M750 BlackBerry Storm2 9550
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.8" diag.
4 : 3
4" diag.
5 : 3
2.8" diag.
4 : 3
3.3" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
640 x 480 pixels
(~286 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 800 mAh 1,230 mAh 1,900 mAh 1,150 mAh 1,400 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon S2 MSM8255 ? ? ?
RAM ? 768 MB 1 GB ? ?
Storage ? raw hardware 8 GB 4 GB ? raw hardware ? raw hardware
Main Camera Yes 5 megapixel 3 megapixel 1 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 720p HD WVGA / 480p - ?
Front Camera - - Yes - -
Weight 2.78 oz
(79g)
4.59 oz
(130g)
5.09 oz
(144g)
3.92 oz
(111g)
5.64 oz
(160g)
Dimensions 3.34" x 1.69" x 0.85"
(85 x 43 x 21.6 mm)
4.53" x 2.6" x 0.41"
(115 x 66 x 10.5 mm)
4.78" x 2.54" x 0.46"
(121 x 64 x 11.7 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
Form Factor Slide Slab Slab Slab Slab
Platform / OS (proprietary) BlackBerry OS Android (proprietary) BlackBerry OS
Network Bands

GSM: 850, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1700, 1900

CDMA: 850, 1700, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSPA 14.4 EVDO rA 1xRTT EVDO rA
Features 
GPS / Location - n/a n/a Yes n/a
Accessibility
Adjustable Text Size - n/a n/a - n/a
Hearing Aid Compatible - Yes - Yes Yes
Multiple Languages Yes n/a n/a - n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) Yes - - - -
NFC - Yes - - -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Wi-Fi - Yes
4 (802.11 a,b,g,n)
Yes - Yes
802.11 b,g
Contacts
Picture ID Yes n/a n/a Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing - n/a n/a - n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers - n/a n/a - n/a
Data & Network
Data Tethering Yes n/a n/a - n/a
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a - n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - - Yes -
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes Yes Yes Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a n/a Yes n/a
EMS / Picture Messaging Yes n/a n/a - n/a
Instant Messaging - n/a n/a Yes n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player - n/a n/a Yes n/a
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a - n/a
Voice Memo Yes n/a n/a Yes n/a
Software
BREW - n/a n/a Yes n/a
Games Yes n/a n/a Yes n/a
Java (J2ME) Yes n/a n/a - n/a
Voice
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-E635 / SGH-E630 BlackBerry Bold 9900 ZTE Engage LT / Engage MT Huawei M750 BlackBerry Storm2 9550
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-E635 / SGH-E630 BlackBerry Bold 9900 ZTE Engage LT / Engage MT Huawei M750 BlackBerry Storm2 9550

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