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Phone Samsung Rugby A837 Motorola Moto z3 Siemens CX75 ZTE Concord II HTC G2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 2" diag.
4 : 3
6" diag.
18 : 9
? 4" diag.
5 : 3
3.7" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
132 x 176 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz 60 Hz
Battery 1,000 mAh 3,000 mAh 750 mAh 1,820 mAh 1,300 mAh
Processor ? 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) ? 1.2 GHz Qualcomm MSM8210 800 MHz Qualcomm S2 MSM7230
RAM ? 4 GB ? 1 GB ?
Storage ? raw hardware 64 GB ? raw hardware 4 GB ? raw hardware
Main Camera 1 megapixel 12 megapixel 1 megapixel 5 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) 4K UHD ? 720p HD 720p HD
Front Camera - 8 megapixel - - -
Weight 4.66 oz
(132g)
5.5 oz
(156g)
3.46 oz
(98g)
4.4 oz
(125g)
6.5 oz
(184g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
6.16" x 3.01" x 0.27"
(156 x 76 x 6.7 mm)
4.33" x 1.88" x 0.74"
(110 x 48 x 18.8 mm)
4.96" x 2.56" x 0.42"
(126 x 65 x 10.7 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android (proprietary) Android Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 LTE (Cat 16) GPRS HSPA+ 21 HSPA 14.4
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes - - -
GPS / Location Yes n/a - n/a n/a
Ruggedized Yes - - - -
Water-Resistant - Yes - - -
Accessibility
Adjustable Text Size - n/a - n/a n/a
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - -
Mobile Hotspot - n/a - n/a n/a
NFC - Yes - - -
USB Yes Yes
USB Type C
Yes Yes
Micro-USB
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a Yes n/a n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing - n/a - n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers Yes n/a - n/a n/a
Data & Network
Data Tethering Yes n/a Yes n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes n/a Yes n/a n/a
EMS / Picture Messaging - n/a Yes n/a n/a
Instant Messaging Yes n/a - n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a - n/a n/a
Music
Headphone Jack (3.5mm) - - - Yes Yes
Music Player Yes n/a Yes n/a n/a
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List - n/a Yes n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a Yes n/a n/a
Voice
HD Voice - Yes - Yes -
Push-To-Talk Yes - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Rugby A837 Motorola Moto z3 Siemens CX75 ZTE Concord II HTC G2
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Phone Samsung Rugby A837 Motorola Moto z3 Siemens CX75 ZTE Concord II HTC G2

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