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Phone Samsung Rugby A837 Samsung Galaxy Note20 Kyocera 3225 Samsung Wafer R510 BLU Pure View
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
6.7" diag.
20 : 9
? 1.9" diag.
4 : 3
5.7" diag.
18 : 9
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~393 ppi)
AMOLED
?
LCD (Grayscale)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? 60 Hz
Battery 1,000 mAh 4,300 mAh ? 800 mAh 3,000 mAh
Processor ? 3.1 GHz Qualcomm Snapdragon 865+ ? ? 1.3 GHz MediaTek 6753
RAM ? 8 GB ? ? 3 GB
Storage ? raw hardware 128 GB ? raw hardware ? raw hardware 32 GB
Main Camera 1 megapixel 12 megapixel - 1 megapixel 13 megapixel
Wide Camera - 12 megapixel - - -
Tele Camera - 64 megapixel - - -
Video Capture QCIF (176 x 144) 8K - ? 1080p HD
Front Camera - 10 megapixel - - 8 megapixel
Weight 4.66 oz
(132g)
6.84 oz
(194g)
4.23 oz
(120g)
2.47 oz
(70g)
6.47 oz
(183g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
6.36" x 2.96" x 0.33"
(162 x 75 x 8.3 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
6" x 2.82" x 0.32"
(152 x 72 x 8.1 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

5G: 2, 5, 12, 25, 41, 66, 71, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 46, 48, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 7, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 NR (5G) 1xRTT EVDO r0 LTE (Cat 4)
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes
in-display (ultrasonic)
- - Yes
stand-alone
Flashlight - Yes - - Yes
GPS / Location Yes n/a Yes Yes n/a
Ruggedized Yes - - - -
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages Yes n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Yes
NFC - Yes - - -
USB Yes Yes
USB Type C
- - Yes
Micro-USB
Wi-Fi - Yes
6 (802.11 a,ac,ax,b,g,n)
- - Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a - Yes n/a
Ringer ID Yes n/a - - n/a
Voice Dialing - n/a Yes Yes n/a
Customization
Custom Graphics Yes n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers Yes n/a - - n/a
Data & Network
Data Tethering Yes n/a Yes - n/a
Dual-SIM - - - - Yes
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry Yes n/a Yes Yes n/a
Side Keys Yes Yes - Yes Yes
Stylus - Yes - - -
Touch Screen - Yes - - Yes
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client Yes n/a - - n/a
EMS / Picture Messaging - n/a Yes - n/a
Instant Messaging Yes n/a - - n/a
MMS Yes n/a - Yes n/a
Text Messaging Templates Yes n/a - - n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - - Yes
Music Player Yes n/a - Yes n/a
Stereo Speakers - Yes - Yes -
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - Yes - - Yes
Wireless Charging - Yes - - -
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
Voice Memo Yes n/a - Yes n/a
Software
BREW - n/a Yes Yes n/a
Games Yes n/a Yes Yes n/a
Java (J2ME) Yes n/a - - n/a
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) - n/a Yes - n/a
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Rugby A837 Samsung Galaxy Note20 Kyocera 3225 Samsung Wafer R510 BLU Pure View
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Rugby A837 Samsung Galaxy Note20 Kyocera 3225 Samsung Wafer R510 BLU Pure View

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