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Phone ZTE Z998 / Unico LTE CAT S48c Nokia N-Gage QD Motorola Moto z4 Kyocera Energi K490 / K493 / K494
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
5" diag.
16 : 9
? 6.4" diag.
19.5 : 9
?
Display Resolution & Type 540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
176 x 208 pixels
LCD (Color)
1080 x 2340 pixels
(~403 ppi)
AMOLED
104 x 80 pixels
LCD (STN)
Display Refresh 60 Hz 60 Hz ? 60 Hz ?
Battery 2,070 mAh 4,000 mAh 1,070 mAh 3,600 mAh ?
Processor 1.2 GHz Qualcomm Snapdragon 400 MSM8930 2.2 GHz Qualcomm Snapdragon 630 ? 2 GHz Qualcomm Snapdragon 675 ?
RAM 1 GB 4 GB ? 4 GB ?
Storage 4 GB 32 GB ? raw hardware 128 GB ? raw hardware
Main Camera 5 megapixel 13 megapixel - 48 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 4K UHD - 4K UHD -
Front Camera 1 megapixel 5 megapixel - 25 megapixel -
Weight 4.8 oz
(136g)
9.1 oz
(258g)
5.04 oz
(143g)
6 oz
(170g)
3.52 oz
(100g)
Dimensions 5.2" x 2.6" x 0.4"
(132 x 66 x 10.2 mm)
5.9" x 3" x 0.5"
(150 x 76 x 12.7 mm)
4.65" x 2.68" x 0.87"
(118 x 68 x 22.1 mm)
6.22" x 2.96" x 0.29"
(158 x 75 x 7.4 mm)
4.45" x 1.89" x 0.91"
(113 x 48 x 23.1 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS Android Android S60 (Symbian) Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

*

4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

*

Data Technology LTE (Cat 3) LTE (Cat 13) GPRS LTE (Cat 12) 1xRTT
Features 
Fingerprint Reader - - - Yes -
Flashlight - Yes - Yes Yes
GPS / Location n/a n/a n/a n/a Yes
Ruggedized - Yes - - -
Water-Resistant - Yes
IPX8 (SCUBA)
- Yes -
Accessibility
Adjustable Text Size n/a n/a n/a n/a -
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages n/a n/a n/a n/a Yes *
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot n/a n/a n/a n/a -
NFC - Yes - Yes -
USB Yes
Micro-USB
Yes
USB Type C
- Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a n/a n/a n/a -
Ringer ID n/a n/a n/a n/a Yes
Voice Dialing n/a n/a n/a n/a Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics n/a n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a n/a -
Data & Network
Data Tethering n/a n/a n/a n/a Yes
WAP / Web Browser n/a n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a n/a Yes
Side Keys Yes Yes - Yes -
Touch Screen Yes Yes - Yes -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client n/a n/a n/a n/a -
EMS / Picture Messaging n/a n/a n/a n/a Yes
Instant Messaging n/a n/a n/a n/a -
MMS n/a n/a n/a n/a -
Text Messaging Templates n/a 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 n/a -
Power
Fast Charging - Yes - Yes -
Productivity
Alarm n/a n/a n/a n/a Yes
Calculator n/a n/a n/a n/a Yes
Calendar n/a n/a n/a n/a Yes
To-Do List n/a n/a n/a n/a -
Voice Memo n/a n/a n/a n/a -
Software
BREW n/a n/a n/a n/a Yes
Games n/a n/a n/a n/a Yes
Java (J2ME) n/a n/a n/a n/a -
Voice
HD Voice - Yes - Yes -
Headset Jack (2.5 mm) n/a n/a n/a n/a Yes
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  ZTE Z998 / Unico LTE CAT S48c Nokia N-Gage QD Motorola Moto z4 Kyocera Energi K490 / K493 / K494
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Z998 / Unico LTE CAT S48c Nokia N-Gage QD Motorola Moto z4 Kyocera Energi K490 / K493 / K494

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