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Phone Samsung Rugby A837 Samsung SCH-A610 ZTE Blade Vantage LG Velvet LG K3
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? 5" diag.
16 : 9
6.8" diag.
20.5 : 9
4.5" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
1080 x 2460 pixels
(~395 ppi)
AMOLED
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz 60 Hz
Battery 1,000 mAh 1,300 mAh 2,500 mAh 4,300 mAh 1,940 mAh
Processor ? ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) Qualcomm Snapdragon 765G 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? ? 2 GB 6 GB 1 GB
Storage ? raw hardware ? raw hardware 16 GB 128 GB 8 GB
Main Camera 1 megapixel Yes 8 megapixel 48 megapixel 5 megapixel
Wide Camera - - - 8 megapixel -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) - 720p HD 4K UHD 720p HD
Front Camera - - 2 megapixel 16 megapixel Yes
Weight 4.66 oz
(132g)
4.23 oz
(120g)
5.29 oz
(150g)
6.35 oz
(180g)
4.6 oz
(130g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
5.73" x 2.85" x 0.36"
(146 x 72 x 9.2 mm)
6.58" x 2.92" x 0.31"
(167 x 74 x 7.9 mm)
5.24" x 2.67" x 0.37"
(133 x 68 x 9.4 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 13

5G: 2, 5, 25, 41, 66, 71, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 29, 30, 38, 39, 40, 41, 46, 66, 71

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 25, 26, 41

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 1xRTT LTE (Cat 4) NR (5G) LTE (Cat 4)
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
in-display (optical)
-
Flashlight - - Yes Yes Yes
GPS / Location Yes Yes n/a n/a n/a
Ruggedized Yes - - - -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - - n/a n/a n/a
NFC - - - Yes -
USB Yes - Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing - Yes n/a n/a n/a
Customization
Custom Graphics Yes 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
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
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client Yes - n/a n/a n/a
EMS / Picture Messaging - Yes n/a n/a n/a
Instant Messaging Yes - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player Yes - n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List - Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW - Yes n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes - n/a n/a n/a
Voice
HD Voice - - Yes Yes Yes
Headset Jack (2.5 mm) - Yes n/a n/a n/a
Push-To-Talk Yes - - - -
Speaker Phone Yes - Yes Yes Yes
  Samsung Rugby A837 Samsung SCH-A610 ZTE Blade Vantage LG Velvet LG K3
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Rugby A837 Samsung SCH-A610 ZTE Blade Vantage LG Velvet LG K3

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