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Phone ZTE Groove Samsung Impression SGH-A877 BlackBerry 7750 Nokia 2651
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.2" diag.
5 : 3
3.2" diag.
5 : 3
? ?
Display Resolution & Type 320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~146 ppi)
AMOLED
240 x 240 pixels
LCD (Color)
128 x 128 pixels
LCD (STN)
Display Refresh 60 Hz ? ? ?
Battery 1,500 mAh 1,000 mAh ? 760 mAh
Processor 800 MHz Qualcomm MSM7627A ? ? ?
RAM 512 MB ? ? ?
Storage 1 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 3 megapixel - -
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD QVGA (320 x 240) - -
Front Camera Yes - - -
Weight 4.5 oz
(128g)
5.2 oz
(147g)
5.01 oz
(142g)
3.4 oz
(96g)
Dimensions 4.67" x 2.46" x 0.55"
(119 x 62 x 14 mm)
4.48" x 2.28" x 0.64"
(114 x 58 x 16.3 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.35" x 1.81" x 0.9"
(85 x 46 x 22.9 mm)
Form Factor Slab Slab Slab Clamshell
Platform / OS Android (proprietary) BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1700, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 1900

Data Technology EVDO rA HSDPA 3.6 1xRTT GPRS
Features 
GPS / Location n/a Yes n/a -
Accessibility
Hearing Aid Compatible - Yes - -
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) - - Yes -
Alerts
Ringer Profiles - Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- -
Mobile Hotspot n/a - n/a -
USB Yes
Micro-USB
Yes Yes -
Wi-Fi Yes - - -
Contacts
Picture ID n/a Yes n/a -
Ringer ID n/a Yes n/a -
Voice Dialing n/a - n/a -
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a -
Data & Network
Data Tethering n/a Yes n/a -
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes -
Text Keyboard, Hardware - Yes Yes -
Touch Screen Yes Yes - -
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client n/a Yes n/a Yes
EMS / Picture Messaging n/a - n/a Yes
Instant Messaging n/a Yes n/a -
MMS n/a Yes n/a Yes
Text Messaging Templates n/a Yes n/a -
Music
Headphone Jack (3.5mm) Yes - - -
Music Player n/a Yes n/a -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a Yes n/a -
Voice Memo n/a Yes n/a -
Software
Games n/a Yes n/a Yes
Java (J2ME) n/a Yes n/a Yes
Voice
Headset Jack (2.5 mm) n/a - n/a -
Speaker Phone Yes Yes - -
  ZTE Groove Samsung Impression SGH-A877 BlackBerry 7750 Nokia 2651
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Phone ZTE Groove Samsung Impression SGH-A877 BlackBerry 7750 Nokia 2651

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