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Phone Samsung SCH-A990 Boost Summit Flip / Consumer Cellular Iris Easy Flip ZTE Z331 Motorola Defy (2010) BlackBerry 7750
Current U.S. Carriers (none) Boost
Consumer Cellular
(none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.8" diag. 2.4" diag.
4 : 3
3.6" diag.
16 : 9
?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
? 176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~272 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
Display Refresh ? 60 Hz ? 60 Hz ?
Battery 1,000 mAh 2,000 mAh 950 mAh 1,540 mAh ?
Processor ? 1.5 GHz MediaTek MT6739 ? 800 MHz TI OMAP3610 ?
RAM ? ? ? ? ?
Storage ? raw hardware 8 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 5 megapixel 3 megapixel 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? ? QCIF (176 x 144) ? -
Front Camera - - - - -
Weight 4.4 oz
(125g)
5.47 oz
(155g)
4 oz
(113g)
4.16 oz
(118g)
5.01 oz
(142g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.34" x 2.24" x 0.79"
(110 x 57 x 20.1 mm)
3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
4.21" x 2.32" x 0.53"
(107 x 59 x 13.4 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Clamshell Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android BlackBerry OS
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 14, 30, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology EVDO r0 LTE (Cat 4) HSDPA 3.6 HSPA 7.2 1xRTT
Features 
Flashlight Yes - - - -
GPS / Location Yes Yes Yes n/a n/a
Ruggedized - - - Yes -
Accessibility
Adjustable Text Size - Yes - n/a n/a
Hearing Aid Compatible Yes Yes Yes - -
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes Yes - -
Ringer Profiles - - Yes - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Mobile Hotspot - Yes - n/a n/a
USB Yes Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes - Yes n/a n/a
Voice Dialing Yes - - n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers Yes Yes Yes n/a n/a
Data & Network
Data Tethering Yes Yes Yes n/a n/a
WAP / Web Browser Yes - Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - - Yes -
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 - - Yes n/a n/a
MMS Yes Yes Yes n/a n/a
Text Messaging Templates Yes - Yes n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes - Yes -
Music Player Yes Yes Yes n/a n/a
Stereo Speakers Yes - - - -
Photo & Video
DLNA - - - Yes -
TV Output Yes - - - -
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List - - - n/a n/a
Voice Memo Yes - Yes n/a n/a
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 - - -
Headset Jack (2.5 mm) - - - n/a n/a
Speaker Phone Yes Yes Yes Yes -
  Samsung SCH-A990 Boost Summit Flip / Consumer Cellular Iris Easy Flip ZTE Z331 Motorola Defy (2010) BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 Boost Summit Flip / Consumer Cellular Iris Easy Flip ZTE Z331 Motorola Defy (2010) BlackBerry 7750

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