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Phone Samsung Impression SGH-A877 Samsung Wafer R510 HTC Droid Eris Huawei W1 Coolpad Snap
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.2" diag.
5 : 3
1.9" diag.
4 : 3
3.2" diag.
5 : 3
4" diag.
5 : 3
2.8" diag.
4 : 3
Display Resolution & Type 240 x 400 pixels
(~146 ppi)
AMOLED
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 1,000 mAh 800 mAh 1,300 mAh 1,950 mAh 1,390 mAh
Processor ? ? 528 MHz MSM7600 1.2 GHz Qualcomm Snapdragon 400 MSM8230 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? ? ? 512 MB 512 MB
Storage ? raw hardware ? raw hardware ? raw hardware 4 GB 4 GB
Main Camera 3 megapixel 1 megapixel 5 megapixel 5 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) ? CIF (352 x 288) 720p HD CIF (352 x 288)
Front Camera - - - Yes -
Weight 5.2 oz
(147g)
2.47 oz
(70g)
4.43 oz
(126g)
4.41 oz
(125g)
4.16 oz
(118g)
Dimensions 4.48" x 2.28" x 0.64"
(114 x 58 x 16.3 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
4.45" x 2.19" x 0.52"
(113 x 55 x 13.2 mm)
4.84" x 2.5" x 0.41"
(123 x 64 x 10.4 mm)
4.29" x 2.17" x 0.74"
(109 x 55 x 18.8 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android Windows (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology HSDPA 3.6 EVDO r0 EVDO rA HSPA+ 21 LTE (Cat 4)
Features 
GPS / Location Yes Yes n/a n/a Yes
Accessibility
Adjustable Text Size - - n/a n/a Yes
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - - n/a n/a Yes
USB Yes - Yes
Mini-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes - n/a n/a Yes
Voice Dialing - Yes n/a n/a -
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a -
Real-Music Ringers Yes - n/a n/a Yes
Data & Network
Data Tethering Yes - n/a n/a -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes - n/a n/a -
Instant Messaging Yes - n/a n/a -
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes - n/a n/a Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player Yes Yes n/a n/a Yes
Stereo Speakers - Yes - - -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes - n/a n/a -
Voice Memo Yes Yes n/a n/a Yes
Software
BREW - Yes n/a n/a -
Games Yes Yes n/a n/a -
Java (J2ME) Yes - n/a n/a -
Voice
HD Voice - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Impression SGH-A877 Samsung Wafer R510 HTC Droid Eris Huawei W1 Coolpad Snap
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Phone Samsung Impression SGH-A877 Samsung Wafer R510 HTC Droid Eris Huawei W1 Coolpad Snap

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