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Phone Samsung SCH-A530 Apple iPhone 15 Samsung Galaxy S7 Samsung Knack U310 Samsung Trance SCH-U490
Current U.S. Carriers (none) AT&T
Boost
Cricket
Metro
Spectrum Mobile
T-Mobile
US Cellular
Verizon
Xfinity Mobile
(none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 6.1" diag.
19.5 : 9
5.1" diag.
16 : 9
2.2" diag.
4 : 3
2.1" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (STN)
1179 x 2556 pixels
(~461 ppi)
AMOLED
1440 x 2560 pixels
(~576 ppi)
AMOLED
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery ? ? 3,000 mAh 1,000 mAh ?
Processor ? Apple A16 Bionic 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) ? ?
RAM ? ? 4 GB ? ?
Storage ? raw hardware 128 GB * 32 GB ? raw hardware ? raw hardware
Main Camera - 48 megapixel 12 megapixel - 1 megapixel
Wide Camera - 12 megapixel - - -
Tele Camera - - - - -
Video Capture - 4K UHD 4K UHD - -
Front Camera - 12 megapixel 5 megapixel - -
Weight 3 oz
(85g)
6.02 oz
(171g)
5.36 oz
(152g)
3.63 oz
(103g)
3.53 oz
(100g)
Dimensions 3.18" x 1.67" x 0.9"
(81 x 42 x 22.9 mm)
5.81" x 2.82" x 0.31"
(148 x 72 x 7.9 mm)
5.61" x 2.74" x 0.31"
(142 x 70 x 7.9 mm)
3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
Form Factor Clamshell Slab Slab Clamshell Slide
Platform / OS (proprietary) iOS Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 77-A, 77-C, 78, 79, 258, 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, 42, 46, 48, 53, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 29, 30, 40, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology 1xRTT NR (5G) LTE (Cat 9) - 1xRTT
Features 
Barometer - Yes - - -
Fingerprint Reader - - Yes - -
Flashlight - Yes Yes - -
GPS / Location Yes n/a n/a Yes Yes
VR-ready - - Yes - -
Water-Resistant - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - n/a n/a Yes Yes
Hearing Aid Compatible - Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display Yes - - Yes -
Connectivity
Bluetooth - Yes Yes - Yes
MirrorLink - - Yes - -
NFC - Yes Yes - -
USB - Yes
USB Type C
Yes
Micro-USB
- Yes
UWB - Yes - - -
Wi-Fi - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID Yes n/a n/a - Yes
Ringer ID Yes n/a n/a - Yes
Voice Dialing Yes n/a n/a Yes Yes
Customization
Custom Graphics Yes n/a n/a - Yes
Custom Ringtones Yes n/a n/a - Yes
Real-Music Ringers - n/a n/a - Yes
Data & Network
Data Tethering Yes n/a n/a - Yes
Dual-SIM - Yes Yes - -
Satellite - Yes - - -
WAP / Web Browser Yes n/a n/a - Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
- -
Memory
Memory Card Slot - - Yes - Yes
Messaging
EMS / Picture Messaging - n/a n/a Yes -
MMS - n/a n/a - Yes
Text Messaging Templates - n/a n/a - Yes
Music
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - n/a n/a - Yes
Stereo Speakers - Yes - - -
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
TV Output - Yes - - -
Power
Fast Charging - Yes Yes - -
Wireless Charging - Yes Yes - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
To-Do List Yes n/a n/a - -
Voice Memo Yes n/a n/a - Yes
Software
BREW Yes n/a n/a - Yes
Games 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
  Samsung SCH-A530 Apple iPhone 15 Samsung Galaxy S7 Samsung Knack U310 Samsung Trance SCH-U490
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A530 Apple iPhone 15 Samsung Galaxy S7 Samsung Knack U310 Samsung Trance SCH-U490

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