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Phone Ericsson R520 Samsung Rugby A837 Asus Smartphone for Snapdragon Insiders LG G2 (Verizon)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size ? 2" diag.
4 : 3
6.8" diag.
20.5 : 9
5.2" diag.
16 : 9
Display Resolution & Type ? 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
1080 x 2448 pixels
(~395 ppi)
AMOLED
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 144 Hz 60 Hz
Battery ? 1,000 mAh 4,000 mAh 3,000 mAh
Processor ? ? 2.8 GHz Qualcomm Snapdragon 888 2.3 GHz Qualcomm Snapdragon 800 (8974)
RAM ? ? 16 GB 2 GB
Storage ? raw hardware ? raw hardware 512 GB 32 GB
Main Camera - 1 megapixel 64 megapixel 13 megapixel
Wide Camera - - 12 megapixel -
Tele Camera - - 8 megapixel -
Video Capture - QCIF (176 x 144) 8K 1080p HD
Front Camera - - 24 megapixel 2 megapixel
Weight 4.23 oz
(120g)
4.66 oz
(132g)
7.41 oz
(210g)
5.12 oz
(145g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
6.82" x 3.04" x 0.38"
(173 x 77 x 9.6 mm)
5.45" x 2.79" x 0.38"
(138 x 71 x 9.7 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) Android Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSDPA 3.6 NR (5G) LTE (Cat 3)
Features 
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - - Yes Yes
GPS / Location - Yes n/a n/a
Ruggedized - Yes - -
Accessibility
Adjustable Text Size - - n/a n/a
Hearing Aid Compatible - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) - Yes - Yes
Alerts
Extra Display - Yes - -
Ringer Profiles Yes - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) Yes - - Yes
Mobile Hotspot - - n/a n/a
NFC - - Yes Yes
USB - Yes Yes
USB Type C
Yes
Wi-Fi - - Yes
6E (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID - Yes n/a n/a
Ringer ID - Yes n/a n/a
Voice Dialing Yes - n/a n/a
Customization
Custom Graphics - Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers - Yes n/a n/a
Data & Network
Data Tethering Yes Yes n/a n/a
Dual-SIM - - Yes -
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes - -
Messaging
Email Client - Yes n/a n/a
Instant Messaging - Yes n/a n/a
MMS - Yes n/a n/a
Text Messaging Templates Yes Yes n/a n/a
Music
Headphone Jack (3.5mm) - - - Yes
Music Player - Yes n/a n/a
Stereo Speakers - - Yes -
Photo & Video
DLNA - - - Yes
Miracast - - - Yes
Power
Fast Charging - - Yes -
Wireless Charging - - - Yes
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
To-Do List - - n/a n/a
Voice Memo Yes Yes n/a n/a
Software
Games Yes Yes n/a n/a
Java (J2ME) - Yes n/a n/a
Voice
HD Voice - - Yes -
Push-To-Talk - Yes - -
Speaker Phone Yes Yes Yes Yes
  Ericsson R520 Samsung Rugby A837 Asus Smartphone for Snapdragon Insiders LG G2 (Verizon)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson R520 Samsung Rugby A837 Asus Smartphone for Snapdragon Insiders LG G2 (Verizon)

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