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Phone Motorola EM330 / EM28 ZTE Z331 Amazon Fire Motorola Moto Z2 Force Sonim XP5s
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.8" diag.
4 : 3
2.4" diag.
4 : 3
4.7" diag.
16 : 9
5.5" diag.
16 : 9
2.6" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~534 ppi)
AMOLED
320 x 432 pixels
(~204 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 940 mAh 950 mAh 2,400 mAh 2,730 mAh 3,180 mAh
Processor ? ? 2.2 GHz Qualcomm Snapdragon 800 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) 1.4 GHz Qualcomm Snapdragon 427 (MSM8920)
RAM ? ? 2 GB 4 GB 2 GB
Storage ? raw hardware ? raw hardware 32 GB * 64 GB 16 GB
Main Camera 1 megapixel 3 megapixel 13 megapixel 12 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? QCIF (176 x 144) 1080p HD 4K UHD 720p HD
Front Camera - - 2 megapixel 5 megapixel -
Weight 3.17 oz
(90g)
4 oz
(113g)
5.64 oz
(160g)
5.04 oz
(143g)
9.17 oz
(260g)
Dimensions 3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
6.13" x 2.99" x 0.24"
(156 x 76 x 6.1 mm)
5.55" x 2.52" x 0.91"
(141 x 64 x 23 mm)
Form Factor Clamshell Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

GSM: 850, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

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

Data Technology EDGE HSDPA 3.6 LTE (Cat 4) LTE (Cat 16) LTE (Cat 4)
Features 
Barometer - - - Yes Yes
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - Yes Yes Yes
GPS / Location - Yes Yes n/a Yes
Ruggedized - - - - Yes
VR-ready - - - Yes -
Water-Resistant - - - Yes Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - - - n/a Yes
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes - - -
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot - - Yes n/a Yes
NFC - - Yes Yes -
USB Yes
Mini-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
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 Yes
Ringer ID - Yes Yes n/a Yes
Voice Dialing - - Yes n/a -
Customization
Custom Graphics Yes Yes - n/a -
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers Yes Yes - n/a -
Data & Network
Data Tethering - Yes Yes n/a -
Dual-SIM - - - Yes * Yes
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client - Yes Yes n/a -
EMS / Picture Messaging Yes - - n/a -
Instant Messaging - Yes - n/a -
MMS Yes Yes Yes n/a Yes
Text Messaging Templates Yes Yes Yes n/a Yes
Music
FM Radio Yes - - - Yes
Headphone Jack (3.5mm) Yes - Yes - -
Music Player Yes Yes Yes n/a Yes
Stereo Speakers - - Yes - -
Photo & Video
Miracast - - Yes - -
TV Output - - Yes - -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
Voice Memo - Yes Yes n/a Yes
Software
Games Yes Yes Yes n/a -
Java (J2ME) Yes Yes - n/a -
Voice
HD Voice - - Yes Yes Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Motorola EM330 / EM28 ZTE Z331 Amazon Fire Motorola Moto Z2 Force Sonim XP5s
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola EM330 / EM28 ZTE Z331 Amazon Fire Motorola Moto Z2 Force Sonim XP5s

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