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Phone Samsung Rugby A837 Nokia N90 Samsung Galaxy A13 5G ZTE C88 Coolpad Defiant
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? 6.5" diag.
20 : 9
2" diag.
4 : 3
5" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
352 x 416 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 90 Hz ? 60 Hz
Battery 1,000 mAh 760 mAh 5,000 mAh 800 mAh 2,450 mAh
Processor ? ? 2.2 GHz MediaTek Dimensity 700 (MT6833) ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917)
RAM ? ? 4 GB ? 1 GB
Storage ? raw hardware ? raw hardware 64 GB ? raw hardware 8 GB
Main Camera 1 megapixel 2 megapixel 50 megapixel Yes 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) CIF (352 x 288) 4K UHD - 720p HD
Front Camera - - 5 megapixel - 2 megapixel
Weight 4.66 oz
(132g)
6.1 oz
(173g)
6.88 oz
(195g)
3.46 oz
(98g)
6.5 oz
(184g)
Dimensions 3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
4.41" x 2.01" x 0.94"
(112 x 51 x 23.9 mm)
6.48" x 3.01" x 0.35"
(165 x 76 x 8.8 mm)
3.85" x 1.92" x 0.7"
(98 x 49 x 17.8 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
Form Factor Clamshell Clamshell Slab Clamshell Slab
Platform / OS (proprietary) S60 (Symbian) Android (proprietary) Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

GSM: 900, 1800, 1900

5G: 2, 5, 25, 41, 66, 71, 77-C

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 EDGE NR (5G) 1xRTT LTE (Cat 4)
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - Yes
GPS / Location Yes n/a n/a Yes n/a
Ruggedized Yes - - - -
Accessibility
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes Yes - Yes -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
NFC - - Yes - -
USB Yes Yes Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a n/a - n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing - n/a n/a Yes n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers Yes n/a n/a Yes n/a
Data & Network
Data Tethering Yes n/a n/a - n/a
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes - Yes
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client Yes n/a n/a Yes n/a
EMS / Picture Messaging - n/a n/a - n/a
Instant Messaging Yes n/a n/a Yes n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes n/a n/a - n/a
Photo & Video
Video Calling - n/a n/a - n/a
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List - n/a n/a - n/a
Voice Memo Yes n/a n/a Yes n/a
Software
BREW - n/a n/a Yes n/a
Games Yes n/a n/a Yes n/a
Java (J2ME) Yes n/a n/a - n/a
Voice
HD Voice - - Yes - -
Push-To-Talk Yes Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Rugby A837 Nokia N90 Samsung Galaxy A13 5G ZTE C88 Coolpad Defiant
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Phone Samsung Rugby A837 Nokia N90 Samsung Galaxy A13 5G ZTE C88 Coolpad Defiant

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