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Phone Samsung SCH-A310 Samsung SCH-U430 OnePlus 12R Apple iPhone 12 Pro Max Samsung Galaxy S II / SGH-i777
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 6.8" diag.
20 : 9
6.7" diag.
19.5 : 9
4.3" diag.
5 : 3
Display Resolution & Type 128 x 128 pixels
LCD (Grayscale)
128 x 160 pixels
LCD (TFT/TFD)
1264 x 2780 pixels
(~450 ppi)
AMOLED
1284 x 2778 pixels
(~457 ppi)
AMOLED
480 x 800 pixels
(~217 ppi)
AMOLED
Display Refresh ? ? 120 Hz 60 Hz 60 Hz
Battery ? 1,000 mAh 5,500 mAh 3,687 mAh 1,650 mAh
Processor ? ? Snapdragon 8 Gen 2 Apple A14 Bionic 1.2 GHz Samsung Exynos dual-core
RAM ? ? 8 GB * 6 GB ?
Storage ? raw hardware ? raw hardware 128 GB * 128 GB * 16 GB
Main Camera - Yes 50 megapixel 12 megapixel 8 megapixel
Wide Camera - - 8 megapixel 12 megapixel -
Tele Camera - - - 12 megapixel -
Video Capture - - 4K UHD 4K UHD 1080p HD
Front Camera - - 16 megapixel 12 megapixel 2 megapixel
Weight 3.2 oz
(91g)
3.21 oz
(91g)
7.3 oz
(207g)
8.03 oz
(228g)
4.3 oz
(122g)
Dimensions 3.43" x 1.89" x 0.87"
(87 x 48 x 22.1 mm)
3.67" x 1.85" x 0.78"
(93 x 47 x 19.8 mm)
6.43" x 2.96" x 0.35"
(163 x 75 x 8.8 mm)
6.33" x 3.07" x 0.29"
(161 x 78 x 7.4 mm)
4.96" x 2.6" x 0.35"
(126 x 66 x 8.9 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android iOS Android
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

5G: 1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77-C, 78

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77-C, 78, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT 1xRTT NR (5G) NR (5G) HSPA+ 21
Features 
Barometer - - - Yes -
Fingerprint Reader - - Yes
in-display (optical)
- -
Flashlight - - Yes Yes -
GPS / Location Yes Yes n/a n/a n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - Yes n/a n/a n/a
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display Yes Yes - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) - - Yes - -
Mobile Hotspot - - n/a n/a n/a
NFC - - Yes Yes Yes
USB Yes - Yes
USB Type C
Yes Yes
Micro-USB
UWB - - - Yes -
Wi-Fi - - Yes
7 (802.11 a,ac,ax,b,be,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID - Yes n/a n/a n/a
Ringer ID - Yes n/a n/a n/a
Voice Dialing Yes Yes n/a n/a n/a
Customization
Changeable Body Plates Yes - - - -
Custom Graphics - Yes n/a n/a n/a
Custom Ringtones - Yes n/a n/a n/a
Real-Music Ringers - - n/a n/a n/a
Data & Network
Data Tethering Yes - n/a n/a n/a
Dual-SIM - - Yes Yes -
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - - - Yes
Messaging
Email Client - Yes n/a n/a n/a
EMS / Picture Messaging - Yes n/a n/a n/a
Instant Messaging - Yes n/a n/a n/a
MMS - Yes n/a n/a n/a
Text Messaging Templates - Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - - - - Yes
Music Player - - n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
DLNA - - - - Yes
TV Output - - - Yes Yes
Power
Fast Charging - - Yes Yes -
Wireless Charging - - - Yes -
Productivity
Alarm - Yes n/a n/a n/a
Calculator - Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW - Yes n/a n/a n/a
Games Yes Yes n/a n/a n/a
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) Yes Yes n/a n/a n/a
Speaker Phone - Yes Yes Yes Yes
  Samsung SCH-A310 Samsung SCH-U430 OnePlus 12R Apple iPhone 12 Pro Max Samsung Galaxy S II / SGH-i777
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A310 Samsung SCH-U430 OnePlus 12R Apple iPhone 12 Pro Max Samsung Galaxy S II / SGH-i777

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