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Phone Kyocera DuraPlus Siemens C56 Nokia XR21 ZTE Z998 / Unico LTE
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? 6.5" diag.
20 : 9
4.5" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
101 x 64 pixels 1080 x 2400 pixels
(~406 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz
Battery 1,650 mAh 700 mAh 4,800 mAh 2,070 mAh
Processor ? ? Snapdragon 695 1.2 GHz Qualcomm Snapdragon 400 MSM8930
RAM 128 MB ? 6 GB 1 GB
Storage 256 MB ? raw hardware 128 GB 4 GB
Main Camera - - 64 megapixel 5 megapixel
Wide Camera - - 8 megapixel -
Tele Camera - - - -
Video Capture - - 1080p HD 720p HD
Front Camera - - 16 megapixel 1 megapixel
Weight 6.67 oz
(189g)
3 oz
(85g)
8.16 oz
(231g)
4.8 oz
(136g)
Dimensions 5.28" x 2.17" x 0.93"
(134 x 55 x 23.6 mm)
3.98" x 1.73" x 0.83"
(101 x 44 x 21.1 mm)
6.61" x 3.09" x 0.41"
(168 x 78 x 10.4 mm)
5.2" x 2.6" x 0.4"
(132 x 66 x 10.2 mm)
Form Factor Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android
Network Bands

CDMA: 800, 850, 1900

GSM: 850, 1900

5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology EVDO rA GPRS NR (5G) LTE (Cat 3)
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
stand-alone
-
Flashlight Yes - Yes -
GPS / Location Yes Yes n/a n/a
Ruggedized Yes - Yes -
Water-Resistant Yes - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size Yes - n/a n/a
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes - Yes Yes
Mobile Hotspot - - n/a n/a
NFC - - Yes -
USB Yes
Micro-USB
Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID - - n/a n/a
Ringer ID Yes Yes n/a n/a
Voice Dialing Yes Yes n/a n/a
Customization
Changeable Body Plates - Yes - -
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers - - n/a n/a
Data & Network
Data Tethering - Yes n/a n/a
Dual-SIM - - Yes -
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a
Side Keys Yes - Yes Yes
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - - Yes
Messaging
Email Client - - n/a n/a
EMS / Picture Messaging - Yes n/a n/a
Instant Messaging - - n/a n/a
MMS Yes - n/a n/a
Text Messaging Templates Yes Yes n/a n/a
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - - Yes Yes
Music Player - - n/a n/a
Power
Fast 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 - n/a n/a
Games Yes Yes n/a n/a
Java (J2ME) Yes Yes n/a n/a
Voice
Headset Jack (2.5 mm) Yes - n/a n/a
Push-To-Talk Yes - - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Kyocera DuraPlus Siemens C56 Nokia XR21 ZTE Z998 / Unico LTE
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Phone Kyocera DuraPlus Siemens C56 Nokia XR21 ZTE Z998 / Unico LTE

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