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Phone ZTE Z331 HTC Wildfire S (CDMA) TCL 20 XE HTC HD7 / HD7S Kyocera DuraForce Pro 2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
3.2" diag.
5 : 3
6.5" diag.
20 : 9
4.3" diag.
5 : 3
5" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? 60 Hz
Battery 950 mAh 1,230 mAh 5,000 mAh 1,230 mAh 3,240 mAh
Processor ? 600 MHz Qualcomm S4 Plus MSM8227 2 GHz MediaTek Helio P22 (MT6762) 1 GHz Qualcomm Snapdragon S1 QSD8250 2.2 GHz Qualcomm Snapdragon 630
RAM ? ? 3 GB ? 4 GB
Storage ? raw hardware 512 MB 32 GB 16 GB 64 GB
Main Camera 3 megapixel 5 megapixel 13 megapixel 5 megapixel 13 megapixel
Wide Camera - - - - 8 megapixel
Tele Camera - - - - -
Video Capture QCIF (176 x 144) WVGA / 480p 1080p HD 720p HD 1080p HD
Front Camera - - 5 megapixel - 5 megapixel
Weight 4 oz
(113g)
3.7 oz
(105g)
6.88 oz
(195g)
5.71 oz
(162g)
8.29 oz
(235g)
Dimensions 3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
3.99" x 2.34" x 0.49"
(101 x 59 x 12.4 mm)
6.48" x 2.95" x 0.35"
(165 x 75 x 8.9 mm)
4.8" x 2.7" x 0.44"
(122 x 69 x 11.2 mm)
5.9" x 2.96" x 0.55"
(150 x 75 x 14 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Android Windows Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 29, 30, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

Data Technology HSDPA 3.6 EVDO rA LTE (Cat 6) HSPA 7.2 LTE (Cat 9)
Features 
Barometer - - Yes - Yes
Fingerprint Reader - - Yes
stand-alone
- Yes
stand-alone
Flashlight - - Yes - Yes
GPS / Location Yes n/a n/a n/a n/a
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes Yes Yes - Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - n/a n/a n/a n/a
NFC - - - - Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a n/a
Ringer ID Yes n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes - Yes
Messaging
Email Client Yes n/a n/a n/a n/a
Instant Messaging Yes n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - Yes * - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player Yes n/a n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
Miracast - - - - Yes
Power
Fast Charging - - Yes - Yes
Wireless Charging - - - - Yes
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a n/a
Voice
HD Voice - - Yes - Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE Z331 HTC Wildfire S (CDMA) TCL 20 XE HTC HD7 / HD7S Kyocera DuraForce Pro 2
  X > < X > < X > < X > < X

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

 
Phone ZTE Z331 HTC Wildfire S (CDMA) TCL 20 XE HTC HD7 / HD7S Kyocera DuraForce Pro 2

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