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Phone Samsung SCH-A870 / Siren Samsung Galaxy Note II (Verizon) BlackBerry Key2 Coolpad REVVL Plus Kyocera 3245
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.5" diag.
16 : 9
4.5" diag.
5 : 3
6" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
AMOLED
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
Display Refresh ? 60 Hz 60 Hz 60 Hz ?
Battery 1,000 mAh 3,100 mAh 3,500 mAh 3,380 mAh ?
Processor ? 1.6 GHz Samsung Exynos 2.2 GHz Qualcomm Snapdragon 660 2 GHz Qualcomm Snapdragon 625 (MSM8953) ?
RAM ? 2 GB 6 GB 2 GB ?
Storage ? raw hardware 16 GB 64 GB * 32 GB ? raw hardware
Main Camera Yes 8 megapixel 12 megapixel 13 megapixel -
Wide Camera - - - - -
Tele Camera - - 12 megapixel - -
Video Capture - 1080p HD 4K UHD 1080p HD -
Front Camera - 2 megapixel 8 megapixel 8 megapixel -
Weight 3.4 oz
(96g)
6.35 oz
(180g)
5.93 oz
(168g)
6.91 oz
(196g)
4.23 oz
(120g)
Dimensions 3.6" x 1.8" x 0.85"
(91 x 46 x 21.6 mm)
5.94" x 3.16" x 0.38"
(151 x 80 x 9.7 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
6.49" x 3.24" x 0.34"
(165 x 82 x 8.6 mm)
4.61" x 1.97" x 1.02"
(117 x 50 x 25.9 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

4G LTE: 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT LTE (Cat 3) LTE (Cat 11) LTE (Cat 6) 1xRTT
Features 
Fingerprint Reader - - Yes
stand-alone
Yes
stand-alone
-
Flashlight - - Yes Yes -
GPS / Location Yes n/a n/a n/a Yes
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Mobile Hotspot - n/a n/a n/a -
NFC - Yes Yes - -
USB - Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
-
Wi-Fi - Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a -
Ringer ID - n/a n/a n/a -
Voice Dialing Yes n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a -
Data & Network
Data Tethering - n/a n/a n/a Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes -
Stylus - Yes - - -
Text Keyboard, Hardware - - Yes - -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a -
Text Messaging Templates - n/a n/a n/a -
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a -
Photo & Video
DLNA - Yes - - -
TV Output - Yes Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
Voice Memo - n/a n/a n/a Yes
Software
BREW Yes n/a n/a n/a Yes *
Games Yes n/a n/a n/a Yes
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) - n/a n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A870 / Siren Samsung Galaxy Note II (Verizon) BlackBerry Key2 Coolpad REVVL Plus Kyocera 3245
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A870 / Siren Samsung Galaxy Note II (Verizon) BlackBerry Key2 Coolpad REVVL Plus Kyocera 3245

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