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Phone ZTE Z998 / Unico LTE Sonim XP5s Pantech CDM-8635 Pantech Matrix Pro C820
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
2.6" diag.
4 : 3
2.2" diag.
4 : 3
2.4" diag.
4 : 3
Display Resolution & Type 540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
320 x 432 pixels
(~204 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ?
Battery 2,070 mAh 3,180 mAh 920 mAh 1,320 mAh
Processor 1.2 GHz Qualcomm Snapdragon 400 MSM8930 1.4 GHz Qualcomm Snapdragon 427 (MSM8920) ? 528 MHz ARM 11
RAM 1 GB 2 GB ? ?
Storage 4 GB 16 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel 5 megapixel 1 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD 720p HD - QCIF (176 x 144)
Front Camera 1 megapixel - - -
Weight 4.8 oz
(136g)
9.17 oz
(260g)
3.52 oz
(100g)
5.34 oz
(151g)
Dimensions 5.2" x 2.6" x 0.4"
(132 x 66 x 10.2 mm)
5.55" x 2.52" x 0.91"
(141 x 64 x 23 mm)
3.85" x 1.96" x 0.79"
(98 x 50 x 20.1 mm)
4.2" x 2" x 0.9"
(107 x 51 x 22.9 mm)
Form Factor Slab Slab Clamshell Slide
Platform / OS Android (proprietary) (proprietary) Windows Mobile Standard
Network Bands

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 28, 30, 38, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) LTE (Cat 4) 1xRTT HSDPA 3.6
Features 
Barometer - Yes - -
Flashlight - Yes - -
GPS / Location n/a Yes Yes n/a
Ruggedized - Yes - -
Water-Resistant - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a Yes - n/a
Hearing Aid Compatible Yes
M3, T4 (very tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
-
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - Yes -
Ringer Profiles - Yes - Yes
Connectivity
Bluetooth Yes Yes - Yes
Mobile Hotspot n/a Yes - n/a
USB Yes
Micro-USB
Yes
USB Type C
Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a - Yes n/a
Customization
Custom Graphics n/a - Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a - Yes n/a
Data & Network
Data Tethering n/a - - n/a
Dual-SIM - Yes - -
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes
Capacitive
- - -
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client n/a - - n/a
Instant Messaging n/a - - n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a Yes Yes n/a
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) Yes - - -
Music Player n/a Yes - n/a
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
To-Do List n/a - - n/a
Voice Memo n/a Yes Yes n/a
Software
BREW n/a - Yes n/a
Games n/a - Yes n/a
Java (J2ME) n/a - - n/a
Voice
HD Voice - Yes - -
Headset Jack (2.5 mm) n/a - Yes n/a
Push-To-Talk - Yes - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  ZTE Z998 / Unico LTE Sonim XP5s Pantech CDM-8635 Pantech Matrix Pro C820
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Phone ZTE Z998 / Unico LTE Sonim XP5s Pantech CDM-8635 Pantech Matrix Pro C820

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