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Phone Samsung SCH-U620 Kyocera 3245 Samsung Galaxy S6 (GSM) Apple iPhone 12 mini BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 5.1" diag.
16 : 9
5.4" diag.
19.5 : 9
?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
?
LCD (Grayscale)
1440 x 2560 pixels
(~576 ppi)
AMOLED
1080 x 2340 pixels
(~477 ppi)
AMOLED
240 x 240 pixels
LCD (Color)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 1,000 mAh ? 2,550 mAh 2,227 mAh ?
Processor ? ? 2.1 GHz Samsung Exynos 7420 Apple A14 Bionic ?
RAM ? ? 3 GB 4 GB ?
Storage ? raw hardware ? raw hardware 32 GB * 64 GB * ? raw hardware
Main Camera 1 megapixel - 16 megapixel 12 megapixel -
Wide Camera - - - 12 megapixel -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - 4K UHD 4K UHD -
Front Camera - - 5 megapixel 12 megapixel -
Weight 3.74 oz
(106g)
4.23 oz
(120g)
4.87 oz
(138g)
4.76 oz
(135g)
5.01 oz
(142g)
Dimensions 3.78" x 1.85" x 0.87"
(96 x 47 x 22.1 mm)
4.61" x 1.97" x 1.02"
(117 x 50 x 25.9 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
5.18" x 2.53" x 0.29"
(132 x 64 x 7.4 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Slide Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android iOS BlackBerry OS
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

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

CDMA: 850, 1900

Data Technology EVDO r0 1xRTT LTE (Cat 6) NR (5G) 1xRTT
Features 
Barometer - - - Yes -
Fingerprint Reader - - Yes - -
Flashlight - - Yes Yes -
GPS / Location Yes Yes n/a n/a n/a
VR-ready - - Yes - -
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) - - Yes - -
MirrorLink - - Yes - -
NFC - - Yes Yes -
USB Yes - Yes
Micro-USB
Yes Yes
UWB - - - Yes -
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 - 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
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Data & Network
Data Tethering - Yes n/a n/a n/a
Dual-SIM - - - 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
Text Keyboard, Hardware - - - - Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot Yes - - - -
Messaging
Email Client - - 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 Yes - n/a n/a n/a
Stereo Speakers Yes - - Yes -
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
TV Output - - Yes Yes -
Power
Fast Charging - - Yes Yes -
Wireless Charging - - Yes Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List - - n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW Yes Yes * n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) - - n/a n/a n/a
Voice
Call Screening - - - Yes -
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) Yes Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Samsung SCH-U620 Kyocera 3245 Samsung Galaxy S6 (GSM) Apple iPhone 12 mini BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-U620 Kyocera 3245 Samsung Galaxy S6 (GSM) Apple iPhone 12 mini BlackBerry 7750

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