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Phone Ericsson R520 Motorola Krave ZN4 Samsung Galaxy Z Flip3 Samsung Galaxy S6 (CDMA) Kyocera Energi K490 / K493 / K494
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.8" diag.
5 : 3
6.7" diag.
22 : 9
5.1" diag.
16 : 9
?
Display Resolution & Type ? 240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 2640 pixels
(~426 ppi)
AMOLED
1440 x 2560 pixels
(~576 ppi)
AMOLED
104 x 80 pixels
LCD (STN)
Display Refresh ? ? 120 Hz 60 Hz ?
Battery ? 950 mAh 3,300 mAh 2,550 mAh ?
Processor ? ? Qualcomm Snapdragon 888 2.1 GHz Samsung Exynos ?
RAM ? ? 8 GB 3 GB ?
Storage ? raw hardware ? raw hardware 128 GB * 32 GB * ? raw hardware
Main Camera - 2 megapixel 12 megapixel 16 megapixel -
Wide Camera - - 12 megapixel - -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) 4K UHD 4K UHD -
Front Camera - - 10 megapixel 5 megapixel -
Weight 4.23 oz
(120g)
4.52 oz
(128g)
6.46 oz
(183g)
4.87 oz
(138g)
3.52 oz
(100g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
4.12" x 2.01" x 0.74"
(105 x 51 x 18.8 mm)
3.4" x 2.84" x 0.67"
(86 x 72 x 17.1 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.45" x 1.89" x 0.91"
(113 x 48 x 23.1 mm)
Form Factor Slab Flip Foldable Slab Slab
Platform / OS (proprietary) (proprietary) Android Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

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

WCDMA: 1, 2, 3, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

*

Data Technology GPRS EVDO r0 NR (5G) LTE (Cat 4) 1xRTT
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
Yes -
Flashlight - - Yes Yes Yes
GPS / Location - Yes n/a n/a Yes
VR-ready - - - Yes -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages Yes Yes n/a n/a Yes *
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - Yes - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes
HSP, Sync, OPP, DUN
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) Yes - - Yes -
MirrorLink - - - Yes -
NFC - - Yes Yes -
USB - Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
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 -
Ringer ID - Yes n/a n/a Yes
Voice Dialing Yes Yes n/a n/a Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics - Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - Yes n/a n/a -
Data & Network
Data Tethering Yes Yes n/a n/a Yes
Dual-SIM - - Yes - -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - Yes - - -
Messaging
Email Client - Yes n/a n/a -
EMS / Picture Messaging - Yes n/a n/a Yes
Instant Messaging - Yes n/a n/a -
MMS - Yes n/a n/a -
Text Messaging Templates Yes Yes n/a n/a -
Music
Headphone Jack (3.5mm) - Yes - Yes -
Music Player - Yes n/a n/a -
Stereo Speakers - - Yes - -
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
TV Output - - - Yes -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes Yes -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
Voice Memo Yes Yes n/a n/a -
Software
BREW - Yes n/a n/a Yes
Games Yes Yes n/a n/a Yes
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) - - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Ericsson R520 Motorola Krave ZN4 Samsung Galaxy Z Flip3 Samsung Galaxy S6 (CDMA) Kyocera Energi K490 / K493 / K494
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson R520 Motorola Krave ZN4 Samsung Galaxy Z Flip3 Samsung Galaxy S6 (CDMA) Kyocera Energi K490 / K493 / K494

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