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Phone Samsung SCH-A990 Samsung Glyde U940 Huawei Prism II Sony Ericsson K850 Motorola Charm
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.8" diag.
16.5 : 9
3.5" diag.
5 : 3
2.2" diag.
4 : 3
2.8" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 1,000 mAh 1,000 mAh 1,750 mAh ? 1,170 mAh
Processor ? ? 1 GHz Qualcomm Snapdragon S1 MSM7225A ? 720 MHz TI OMAP3410
RAM ? ? 512 MB ? ?
Storage ? raw hardware ? raw hardware 4 GB ? raw hardware ? raw hardware
Main Camera 3 megapixel 2 megapixel 3 megapixel 5 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? QVGA (320 x 240) WVGA / 480p ? ?
Front Camera - - - - -
Weight 4.4 oz
(125g)
4.2 oz
(119g)
3.88 oz
(110g)
4.2 oz
(119g)
3.88 oz
(110g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
4.61" x 2.44" x 0.49"
(117 x 62 x 12.4 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
Form Factor Clamshell Slide Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) Android
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

Data Technology EVDO r0 EVDO r0 HSPA 7.2 HSDPA 3.6 HSDPA 3.6
Features 
Flashlight Yes - - - -
GPS / Location Yes Yes n/a - n/a
Accessibility
Adjustable Text Size - - n/a - n/a
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M4 (very compatible)
Yes
M3, T3 (mostly tele-coil compatible)
- -
Multiple Languages Yes Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot - - n/a - n/a
USB Yes Yes Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - - Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a Yes n/a
Ringer ID Yes Yes n/a Yes n/a
Voice Dialing Yes Yes n/a Yes n/a
Customization
Custom Graphics Yes Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers Yes Yes n/a Yes n/a
Data & Network
Data Tethering Yes Yes n/a Yes n/a
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen - Yes Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client - - n/a Yes n/a
EMS / Picture Messaging Yes - n/a - n/a
Instant Messaging - - n/a - n/a
MMS Yes Yes n/a Yes n/a
Text Messaging Templates Yes Yes n/a Yes n/a
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes Yes n/a Yes n/a
Stereo Speakers Yes - - - -
Photo & Video
TV Output Yes - - - -
Video Calling - - n/a Yes * n/a
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar Yes Yes n/a Yes n/a
To-Do List - - n/a Yes n/a
Voice Memo Yes - n/a Yes n/a
Software
BREW Yes Yes n/a - n/a
Games Yes Yes n/a Yes n/a
Java (J2ME) - - n/a Yes n/a
Voice
Headset Jack (2.5 mm) - Yes n/a - n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A990 Samsung Glyde U940 Huawei Prism II Sony Ericsson K850 Motorola Charm
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 Samsung Glyde U940 Huawei Prism II Sony Ericsson K850 Motorola Charm

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