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Phone BlackBerry Storm2 9550 Samsung Rugby A837 Samsung Galaxy S21 ZTE Agent Coolpad Defiant
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.3" diag.
4 : 3
2" diag.
4 : 3
6.2" diag.
20 : 9
2.4" diag.
4 : 3
5" diag.
16 : 9
Display Resolution & Type 360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 120 Hz ? 60 Hz
Battery 1,400 mAh 1,000 mAh 4,000 mAh 900 mAh 2,450 mAh
Processor ? ? 2.8 GHz Qualcomm Snapdragon 888 ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917)
RAM ? ? 8 GB ? 1 GB
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware 8 GB
Main Camera 3 megapixel 1 megapixel 12 megapixel 1 megapixel 5 megapixel
Wide Camera - - 12 megapixel - -
Tele Camera - - 64 megapixel - -
Video Capture ? QCIF (176 x 144) 8K ? 720p HD
Front Camera - - 10 megapixel - 2 megapixel
Weight 5.64 oz
(160g)
4.66 oz
(132g)
6.03 oz
(171g)
3.53 oz
(100g)
6.5 oz
(184g)
Dimensions 4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
4.3" x 1.9" x 0.6"
(109 x 48 x 15.2 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS BlackBerry OS (proprietary) Android (proprietary) Android
Network Bands

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

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

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA HSDPA 3.6 NR (5G) 1xRTT LTE (Cat 4)
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
in-display (ultrasonic)
- -
Flashlight - - Yes - Yes
GPS / Location n/a Yes n/a Yes n/a
Ruggedized - Yes - - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a - 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)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC - - Yes - -
USB Yes Yes Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi Yes
802.11 b,g
- Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes n/a - n/a
Ringer ID n/a Yes n/a Yes n/a
Voice Dialing n/a - n/a - n/a
Customization
Custom Graphics n/a Yes n/a Yes n/a
Custom Ringtones n/a Yes n/a Yes n/a
Real-Music Ringers n/a Yes n/a Yes n/a
Data & Network
Data Tethering n/a Yes n/a - n/a
WAP / Web Browser n/a Yes n/a Yes n/a
Input
Predictive Text Entry n/a Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client n/a Yes n/a Yes n/a
Instant Messaging n/a Yes n/a Yes n/a
MMS n/a Yes n/a Yes n/a
Text Messaging Templates n/a Yes n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player n/a Yes n/a Yes n/a
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm n/a Yes n/a Yes n/a
Calculator n/a Yes n/a Yes n/a
Calendar n/a Yes n/a Yes n/a
To-Do List n/a - n/a - n/a
Voice Memo n/a Yes n/a Yes n/a
Software
BREW n/a - n/a Yes n/a
Games n/a Yes n/a Yes n/a
Java (J2ME) n/a Yes n/a - n/a
Voice
HD Voice - - Yes - -
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  BlackBerry Storm2 9550 Samsung Rugby A837 Samsung Galaxy S21 ZTE Agent Coolpad Defiant
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry Storm2 9550 Samsung Rugby A837 Samsung Galaxy S21 ZTE Agent Coolpad Defiant

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