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Phone Samsung Glyde U940 Samsung Wafer R510 Samsung Galaxy S6 (CDMA) BlackBerry Key2
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.8" diag.
16.5 : 9
1.9" diag.
4 : 3
5.1" diag.
16 : 9
4.5" diag.
5 : 3
Display Resolution & Type 240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz
Battery 1,000 mAh 800 mAh 2,550 mAh 3,500 mAh
Processor ? ? 2.1 GHz Samsung Exynos 2.2 GHz Qualcomm Snapdragon 660
RAM ? ? 3 GB 6 GB
Storage ? raw hardware ? raw hardware 32 GB * 64 GB *
Main Camera 2 megapixel 1 megapixel 16 megapixel 12 megapixel
Wide Camera - - - -
Tele Camera - - - 12 megapixel
Video Capture QVGA (320 x 240) ? 4K UHD 4K UHD
Front Camera - - 5 megapixel 8 megapixel
Weight 4.2 oz
(119g)
2.47 oz
(70g)
4.87 oz
(138g)
5.93 oz
(168g)
Dimensions 4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
Form Factor Slide Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 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

Data Technology EVDO r0 EVDO r0 LTE (Cat 4) LTE (Cat 11)
Features 
Fingerprint Reader - - Yes Yes
stand-alone
Flashlight - - Yes Yes
GPS / Location Yes Yes n/a n/a
VR-ready - - Yes -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - - Yes -
MirrorLink - - Yes -
NFC - - Yes Yes
USB Yes - Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a
Ringer ID Yes - n/a n/a
Voice Dialing Yes Yes n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers Yes - n/a n/a
Data & Network
Data Tethering Yes - n/a n/a
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes
Touch Screen Yes - Yes Yes
Memory
Memory Card Slot Yes Yes - Yes
Messaging
MMS Yes Yes n/a n/a
Text Messaging Templates Yes - n/a n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) - - Yes Yes
Music Player Yes Yes n/a n/a
Stereo Speakers - Yes - -
Photo & Video
DLNA - - Yes -
Miracast - - Yes -
TV Output - - Yes Yes
Power
Fast Charging - - - Yes
Wireless Charging - - Yes -
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
Voice Memo - Yes n/a n/a
Software
BREW Yes Yes n/a n/a
Games Yes Yes n/a n/a
Voice
HD Voice - - Yes Yes
Headset Jack (2.5 mm) Yes - n/a n/a
Speaker Phone Yes Yes Yes Yes
  Samsung Glyde U940 Samsung Wafer R510 Samsung Galaxy S6 (CDMA) BlackBerry Key2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Glyde U940 Samsung Wafer R510 Samsung Galaxy S6 (CDMA) BlackBerry Key2

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