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Phone Sanyo RL-4920 Samsung SCH-A990 Samsung Rugby A837 CAT S48c 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
5" diag.
16 : 9
?
Display Resolution & Type 128 x 112 pixels
LCD (Color)
240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,700 mAh 1,000 mAh 1,000 mAh 4,000 mAh ?
Processor ? ? ? 2.2 GHz Qualcomm Snapdragon 630 ?
RAM ? ? ? 4 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera - 3 megapixel 1 megapixel 13 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? QCIF (176 x 144) 4K UHD -
Front Camera - - - 5 megapixel -
Weight 4.03 oz
(114g)
4.4 oz
(125g)
4.66 oz
(132g)
9.1 oz
(258g)
3.92 oz
(111g)
Dimensions 4.22" x 1.85" x 0.85"
(107 x 47 x 21.6 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
5.9" x 3" x 0.5"
(150 x 76 x 12.7 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
Form Factor Slab Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android BlackBerry OS
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT EVDO r0 HSDPA 3.6 LTE (Cat 13) EDGE
Features 
Flashlight - Yes - Yes -
GPS / Location Yes Yes Yes n/a n/a
Ruggedized - - Yes Yes -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - - - n/a n/a
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes Yes - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
NFC - - - Yes -
USB Yes Yes Yes Yes
USB Type C
Yes
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing Yes Yes - n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers - Yes Yes n/a n/a
Data & Network
Data Tethering - Yes Yes n/a n/a
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - - Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - - Yes n/a n/a
EMS / Picture Messaging - Yes - n/a n/a
Instant Messaging - - Yes n/a n/a
MMS - Yes Yes n/a n/a
Text Messaging Templates - Yes Yes n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - - Yes Yes
Music Player - Yes Yes n/a n/a
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List Yes - - n/a n/a
Voice Memo Yes Yes Yes n/a n/a
Software
BREW - Yes - n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) Yes - Yes n/a n/a
Voice
Call Screening Yes - - - -
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes - - n/a n/a
Push-To-Talk Yes - Yes Yes Yes *
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Sanyo RL-4920 Samsung SCH-A990 Samsung Rugby A837 CAT S48c BlackBerry Curve 8300
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sanyo RL-4920 Samsung SCH-A990 Samsung Rugby A837 CAT S48c BlackBerry Curve 8300

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