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Phone Samsung SCH-A990 Audiovox CDM-9900 Apple iPhone 8 Plus Samsung Galaxy S21 Samsung SCH-U430
Current U.S. Carriers (none) (none) (none) Verizon (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 5.5" diag.
16 : 9
6.2" diag.
20 : 9
?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 120 Hz ?
Battery 1,000 mAh ? 2,675 mAh 4,000 mAh 1,000 mAh
Processor ? ? Apple A11 2.8 GHz Qualcomm Snapdragon 888 ?
RAM ? ? 3 GB 8 GB ?
Storage ? raw hardware ? raw hardware 64 GB * 128 GB * ? raw hardware
Main Camera 3 megapixel Yes 12 megapixel 12 megapixel Yes
Wide Camera - - - 12 megapixel -
Tele Camera - - Yes 64 megapixel -
Video Capture ? ? 4K UHD 8K -
Front Camera - - 7 megapixel 10 megapixel -
Weight 4.4 oz
(125g)
4.09 oz
(116g)
7.13 oz
(202g)
6.03 oz
(171g)
3.21 oz
(91g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.66" x 1.89" x 0.95"
(93 x 48 x 24.1 mm)
6.24" x 3.07" x 0.3"
(158 x 78 x 7.6 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
3.67" x 1.85" x 0.78"
(93 x 47 x 19.8 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) iOS Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

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, 1900

Data Technology EVDO r0 1xRTT LTE (Cat 9) NR (5G) 1xRTT
Features 
Barometer - - Yes Yes -
Fingerprint Reader - - Yes
stand-alone
Yes
in-display (ultrasonic)
-
Flashlight Yes - Yes Yes -
GPS / Location Yes Yes n/a n/a Yes
Water-Resistant - - Yes
IPX7 (snorkeling)
Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - - n/a n/a Yes
Hearing Aid Compatible Yes
M3 (mostly compatible)
- Yes
M3, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes - - Yes
Connectivity
Bluetooth Yes - Yes Yes Yes
NFC - - Yes Yes -
USB Yes Yes Yes Yes
USB Type C
-
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing Yes Yes n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers Yes - n/a n/a -
Data & Network
Data Tethering Yes Yes n/a n/a -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes - - - -
Messaging
Email Client - - n/a n/a Yes
EMS / Picture Messaging Yes Yes n/a n/a Yes
Instant Messaging - - n/a n/a Yes
MMS Yes Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a Yes
Music
Music Player Yes - n/a n/a -
Stereo Speakers Yes - Yes Yes -
Photo & Video
TV Output Yes - Yes Yes -
Power
Fast Charging - - Yes Yes -
Wireless Charging - - Yes Yes -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List - Yes n/a n/a -
Voice Memo Yes Yes n/a n/a Yes
Software
BREW Yes Yes n/a n/a Yes
Games Yes Yes n/a n/a Yes
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) - Yes n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SCH-A990 Audiovox CDM-9900 Apple iPhone 8 Plus Samsung Galaxy S21 Samsung SCH-U430
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 Audiovox CDM-9900 Apple iPhone 8 Plus Samsung Galaxy S21 Samsung SCH-U430

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