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Phone ZTE Z331 Pantech Duo C810 Nokia 6275i Motorola Moto z4 BlackBerry Curve 9350
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
2.2" diag.
4 : 3
? 6.4" diag.
19.5 : 9
2.4" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~403 ppi)
AMOLED
480 x 360 pixels
(~246 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 950 mAh 1,320 mAh 1,150 mAh 3,600 mAh 1,040 mAh
Processor ? ARM 920t PXA27x ? 2 GHz Qualcomm Snapdragon 675 800 MHz Marvell
RAM ? ? ? 4 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB ? raw hardware
Main Camera 3 megapixel 1 megapixel 2 megapixel 48 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) QVGA (320 x 240) ? 4K UHD VGA (640 x 480)
Front Camera - - - 25 megapixel -
Weight 4 oz
(113g)
3.88 oz
(110g)
3.7 oz
(105g)
6 oz
(170g)
3.49 oz
(99g)
Dimensions 3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
4.29" x 1.69" x 0.67"
(109 x 43 x 17 mm)
6.22" x 2.96" x 0.29"
(158 x 75 x 7.4 mm)
4.29" x 2.36" x 0.43"
(109 x 60 x 10.9 mm)
Form Factor Clamshell Slide Slab Slab Slab
Platform / OS (proprietary) Windows Mobile Standard (proprietary) Android BlackBerry OS
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

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: 800, 850, 1900

*

Data Technology HSDPA 3.6 HSDPA 1.8 1xRTT LTE (Cat 12) EVDO rA
Features 
Fingerprint Reader - - - Yes -
Flashlight - - - Yes -
GPS / Location Yes n/a Yes n/a n/a
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size - n/a - n/a n/a
Hearing Aid Compatible Yes
M3, T4 (very tele-coil compatible)
- - Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes Yes Yes - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - -
NFC - - - Yes Yes
USB Yes
Micro-USB
Yes Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a Yes n/a n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing - n/a Yes n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers Yes n/a Yes n/a n/a
Data & Network
Data Tethering Yes n/a Yes n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - Yes
Touch Screen - - - Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes n/a - n/a n/a
Instant Messaging Yes n/a - n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - - - Yes Yes
Music Player Yes n/a Yes n/a n/a
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List - n/a Yes n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
BREW - n/a Yes * n/a n/a
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a Yes * n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - n/a Yes n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE Z331 Pantech Duo C810 Nokia 6275i Motorola Moto z4 BlackBerry Curve 9350
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Z331 Pantech Duo C810 Nokia 6275i Motorola Moto z4 BlackBerry Curve 9350

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