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Phone Samsung SCH-A990 Sony Ericsson Z550a Nokia Lumia 920 Motorola Q9m / Q9c Nokia 9290
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 1.9" diag.
4 : 3
4.5" diag.
5 : 3
2.4" diag.
4 : 3
?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
768 x 1280 pixels
(~332 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
640 x 200 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 1,000 mAh ? 2,000 mAh 1,170 mAh 1,300 mAh
Processor ? ? 1.5 GHz Qualcomm Snapdragon S4 PXA27x (ARM920T) ?
RAM ? ? 1 GB ? ?
Storage ? raw hardware ? raw hardware 32 GB ? raw hardware ? raw hardware
Main Camera 3 megapixel 1 megapixel 8 megapixel 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? ? 1080p HD ? -
Front Camera - - 1 megapixel - -
Weight 4.4 oz
(125g)
3.26 oz
(92g)
6.53 oz
(185g)
4.76 oz
(135g)
8.6 oz
(244g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.43" x 1.77" x 0.79"
(87 x 45 x 20.1 mm)
5.12" x 2.79" x 0.42"
(130 x 71 x 10.7 mm)
4.61" x 2.56" x 0.47"
(117 x 65 x 11.9 mm)
6.22" x 2.2" x 1.06"
(158 x 56 x 26.9 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Windows Windows Mobile Standard (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 1900

Data Technology EVDO r0 GPRS LTE (Cat 3) EVDO r0 -
Features 
Flashlight Yes - - - -
GPS / Location Yes - n/a n/a -
Accessibility
Adjustable Text Size - - n/a n/a -
Hearing Aid Compatible Yes
M3 (mostly compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
-
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display Yes Yes - - Yes
Ringer Profiles - Yes - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
Infrared (IR) - - - - Yes
Mobile Hotspot - - n/a n/a -
NFC - - Yes - -
USB Yes Yes Yes
Micro-USB
Yes
Mini-USB
-
Wi-Fi - - Yes
4 (802.11 a,b,g,n)
- -
Contacts
Picture ID Yes Yes n/a n/a -
Ringer ID Yes Yes n/a n/a -
Voice Dialing Yes Yes n/a n/a -
Customization
Custom Graphics Yes Yes n/a n/a -
Custom Ringtones Yes Yes n/a n/a -
Real-Music Ringers Yes Yes n/a n/a -
Data & Network
Data Tethering Yes Yes n/a n/a Yes
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a -
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware - - - Yes Yes
Touch Screen - - Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client - Yes n/a n/a -
EMS / Picture Messaging Yes - n/a n/a -
Instant Messaging - - n/a n/a -
MMS Yes Yes n/a n/a -
Text Messaging Templates Yes Yes n/a n/a Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - - Yes - -
Music Player Yes Yes n/a n/a -
Stereo Speakers Yes - - Yes -
Photo & Video
TV Output Yes - - - -
Power
Wireless Charging - - 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 Yes
Voice Memo Yes Yes n/a n/a -
Software
BREW Yes - n/a n/a -
Games Yes Yes n/a n/a Yes
Java (J2ME) - Yes n/a n/a Yes
Voice
Headset Jack (2.5 mm) - - n/a n/a -
Push-To-Talk - Yes * - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A990 Sony Ericsson Z550a Nokia Lumia 920 Motorola Q9m / Q9c Nokia 9290
  X > < X > < X > < X > < X

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

 
Phone Samsung SCH-A990 Sony Ericsson Z550a Nokia Lumia 920 Motorola Q9m / Q9c Nokia 9290

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