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Phone Samsung Rugby A837 LG G Flex (U.S. GSM) Samsung Sidekick 4G VK Mobile Kickflip BlackBerry Curve 8300
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
6" diag.
16 : 9
3.5" diag.
5 : 3
? ?
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~245 ppi)
AMOLED
480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 1,000 mAh 3,500 mAh ? ? ?
Processor ? 2.3 GHz Qualcomm Snapdragon 800 1 GHz Samsung Hummingbird Cortex A8 ? ?
RAM ? 2 GB ? ? ?
Storage ? raw hardware 32 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 13 megapixel 3 megapixel 2 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) 4K UHD WVGA / 480p QCIF (176 x 144) -
Front Camera - 2 megapixel Yes - -
Weight 4.66 oz
(132g)
6.24 oz
(177g)
5.7 oz
(162g)
4.47 oz
(127g)
3.92 oz
(111g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
6.32" x 3.21" x 0.31"
(160 x 82 x 8 mm)
5" x 2.42" x 0.6"
(127 x 61 x 15.2 mm)
3.88" x 1.96" x 0.98"
(99 x 50 x 24.9 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
Form Factor Clamshell Slab Slide Swivel Slab
Platform / OS (proprietary) Android Android (proprietary) BlackBerry OS
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 17

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 LTE (Cat 4) HSPA+ 21 EVDO r0 EDGE
Features 
Flashlight - Yes - Yes -
GPS / Location Yes n/a n/a Yes n/a
Ruggedized Yes - - - -
Accessibility
Adjustable Text Size - n/a n/a - n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
-
Multiple Languages Yes n/a 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
Infrared (IR) - Yes - - -
Mobile Hotspot - n/a n/a - n/a
NFC - Yes - - -
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes Yes
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 Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing - n/a n/a - n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers Yes n/a n/a Yes n/a
Data & Network
Data Tethering Yes n/a n/a Yes n/a
External Antenna Jack - n/a n/a Yes n/a
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - Yes
Touch Screen - Yes
Capacitive
Yes - -
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client Yes n/a n/a - n/a
Instant Messaging Yes n/a n/a - n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) - Yes Yes - Yes
Music Player Yes n/a n/a Yes n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA - Yes Yes - -
Miracast - Yes - - -
TV Output - Yes - Yes -
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List - n/a n/a - n/a
Voice Memo Yes n/a n/a Yes n/a
Software
Games Yes n/a n/a Yes n/a
Java (J2ME) Yes n/a n/a Yes n/a
Voice
HD Voice - Yes * - - -
Headset Jack (2.5 mm) - n/a n/a Yes n/a
Push-To-Talk Yes - - - Yes *
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Rugby A837 LG G Flex (U.S. GSM) Samsung Sidekick 4G VK Mobile Kickflip BlackBerry Curve 8300
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Rugby A837 LG G Flex (U.S. GSM) Samsung Sidekick 4G VK Mobile Kickflip BlackBerry Curve 8300

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