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Phone Samsung Galaxy S21 Samsung Rugby A837 Nokia 6275i Nokia 3586i / 3588i
Current U.S. Carriers Verizon (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.2" diag.
20 : 9
2" diag.
4 : 3
? ?
Display Resolution & Type 1080 x 2400 pixels
(~424 ppi)
AMOLED
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
96 x 65 pixels
LCD (STN)
Display Refresh 120 Hz ? ? ?
Battery 4,000 mAh 1,000 mAh 1,150 mAh 1,000 mAh
Processor 2.8 GHz Qualcomm Snapdragon 888 ? ? ?
RAM 8 GB ? ? ?
Storage 128 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera 12 megapixel 1 megapixel 2 megapixel -
Wide Camera 12 megapixel - - -
Tele Camera 64 megapixel - - -
Video Capture 8K QCIF (176 x 144) ? -
Front Camera 10 megapixel - - -
Weight 6.03 oz
(171g)
4.66 oz
(132g)
3.7 oz
(105g)
4.11 oz
(117g)
Dimensions 5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
4.29" x 1.69" x 0.67"
(109 x 43 x 17 mm)
4.6" x 1.92" x 0.94"
(117 x 49 x 23.9 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS Android (proprietary) (proprietary) (proprietary)
Network Bands

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

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

Data Technology NR (5G) HSDPA 3.6 1xRTT 1xRTT
Features 
Barometer Yes - - -
Fingerprint Reader Yes
in-display (ultrasonic)
- - -
Flashlight Yes - - -
GPS / Location n/a Yes Yes Yes
Ruggedized - Yes - -
Water-Resistant Yes
IPX8 (SCUBA)
- - -
Accessibility
Hearing Aid Compatible Yes Yes - -
Multiple Languages n/a Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - Yes - -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes Yes -
Infrared (IR) - - Yes -
NFC Yes - - -
USB Yes
USB Type C
Yes Yes Yes
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
- - -
Contacts
Picture ID n/a Yes Yes Yes
Ringer ID n/a Yes Yes -
Voice Dialing n/a - Yes Yes
Customization
Changeable Body Plates - - - Yes
Custom Graphics n/a Yes Yes Yes *
Custom Ringtones n/a Yes Yes Yes *
Real-Music Ringers n/a Yes Yes -
Data & Network
Data Tethering n/a Yes Yes Yes *
WAP / Web Browser n/a Yes Yes Yes *
Input
Predictive Text Entry n/a Yes Yes Yes
Side Keys Yes Yes Yes -
Touch Screen Yes - - -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client n/a Yes - -
Instant Messaging n/a Yes - -
MMS n/a Yes Yes -
Text Messaging Templates n/a Yes Yes Yes *
Music
FM Radio - - Yes -
Music Player n/a Yes Yes -
Stereo Speakers Yes - - -
Photo & Video
TV Output Yes - - -
Power
Fast Charging Yes - - -
Wireless Charging Yes - - -
Productivity
Alarm n/a Yes Yes Yes
Calculator n/a Yes Yes -
Calendar n/a Yes Yes Yes
To-Do List n/a - Yes -
Voice Memo n/a Yes Yes Yes
Software
BREW n/a - Yes * -
Games n/a Yes Yes Yes
Java (J2ME) n/a Yes Yes * Yes *
Voice
HD Voice Yes - - -
Headset Jack (2.5 mm) n/a - Yes Yes
Push-To-Talk - Yes - -
Speaker Phone Yes Yes Yes -
  * Some versions only
  Samsung Galaxy S21 Samsung Rugby A837 Nokia 6275i Nokia 3586i / 3588i
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Phone Samsung Galaxy S21 Samsung Rugby A837 Nokia 6275i Nokia 3586i / 3588i

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