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Phone Ericsson R278d Samsung SCH-A990 Visible Midnight Motorola Q Huawei Prism II
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 6.5" diag.
20 : 9
? 3.5" diag.
5 : 3
Display Resolution & Type 101 x 40 pixels 240 x 320 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? 60 Hz
Battery ? 1,000 mAh 4,000 mAh 1,130 mAh 1,750 mAh
Processor ? ? MediaTek Helio P22 (MT6762) ? 1 GHz Qualcomm Snapdragon S1 MSM7225A
RAM ? ? 3 GB ? 512 MB
Storage ? raw hardware ? raw hardware 32 GB ? raw hardware 4 GB
Main Camera - 3 megapixel 13 megapixel 1 megapixel 3 megapixel
Wide Camera - - 5 megapixel - -
Tele Camera - - - - -
Video Capture - ? 1080p HD ? WVGA / 480p
Front Camera - - 8 megapixel - -
Weight 9.28 oz
(263g)
4.4 oz
(125g)
6.35 oz
(180g)
4.06 oz
(115g)
3.88 oz
(110g)
Dimensions 5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.53" x 3" x 0.34"
(166 x 76 x 8.6 mm)
4.57" x 2.52" x 0.47"
(116 x 64 x 11.9 mm)
4.61" x 2.44" x 0.49"
(117 x 62 x 12.4 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Windows Mobile Standard Android
Network Bands

TDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 66

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology - EVDO r0 LTE (Cat 4) EVDO r0 HSPA 7.2
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - Yes Yes - -
GPS / Location - Yes n/a n/a n/a
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - - Yes -
Mobile Hotspot - - n/a n/a n/a
USB - Yes Yes
USB Type C
Yes
Mini-USB
Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID - Yes n/a n/a n/a
Ringer ID - Yes n/a n/a n/a
Voice Dialing - Yes n/a n/a n/a
Customization
Custom Graphics - Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - Yes n/a n/a n/a
Data & Network
Data Tethering Yes Yes n/a n/a n/a
External Antenna Jack - - n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - - n/a n/a n/a
EMS / Picture Messaging - Yes n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS - Yes n/a n/a n/a
Text Messaging Templates - Yes n/a n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - Yes n/a n/a n/a
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - -
Power
Wireless Charging - - Yes - -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator - Yes n/a n/a n/a
Calendar - Yes n/a n/a n/a
To-Do List - - n/a n/a n/a
Voice Memo - Yes n/a n/a n/a
Software
BREW - Yes n/a n/a n/a
Games - Yes n/a n/a n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - - n/a n/a n/a
Speaker Phone - Yes Yes Yes Yes
  Ericsson R278d Samsung SCH-A990 Visible Midnight Motorola Q Huawei Prism II
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Phone Ericsson R278d Samsung SCH-A990 Visible Midnight Motorola Q Huawei Prism II

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