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Phone ZTE Z331 Ericsson T66 BlackBerry Curve 8300 Siemens A56 / A56i Sony Xperia XZs
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? ? ? 5.2" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
? 320 x 240 pixels
LCD (TFT/TFD)
101 x 64 pixels 1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 950 mAh ? ? 700 mAh 2,900 mAh
Processor ? ? ? ? 2.2 GHz Qualcomm Snapdragon 820 (MSM8996)
RAM ? ? ? ? 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 64 GB
Main Camera 3 megapixel - 2 megapixel - 19 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) - - - 4K UHD
Front Camera - - - - 13 megapixel
Weight 4 oz
(113g)
2.08 oz
(59g)
3.92 oz
(111g)
3 oz
(85g)
5.68 oz
(161g)
Dimensions 3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
5.75" x 2.83" x 0.32"
(146 x 72 x 8.1 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) BlackBerry OS (proprietary) Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 40, 41

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 - EDGE - LTE (Cat 9)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes *
stand-alone
Flashlight - - - - Yes
GPS / Location Yes - n/a Yes n/a
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - - n/a - n/a
Hearing Aid Compatible Yes - - - Yes
Multiple Languages Yes 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
Classic Audio
- Yes
Classic Audio
- Yes
NFC - - - - Yes
USB Yes
Micro-USB
- Yes - Yes
USB Type C
Wi-Fi - - - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes - n/a Yes n/a
Ringer ID Yes - n/a Yes n/a
Voice Dialing - - n/a - n/a
Customization
Changeable Body Plates - - - Yes -
Custom Graphics Yes Yes n/a Yes n/a
Custom Ringtones Yes Yes n/a Yes n/a
Real-Music Ringers Yes - n/a - n/a
Data & Network
Data Tethering Yes - n/a - n/a
Dual-SIM - - - - Yes
WAP / Web Browser Yes Yes n/a Yes n/a
Input
Predictive Text Entry Yes Yes n/a Yes n/a
Side Keys Yes Yes Yes - Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - - - - Yes
Memory
Memory Card Slot Yes - Yes - Yes
Messaging
Email Client Yes - n/a - n/a
EMS / Picture Messaging - Yes n/a Yes n/a
Instant Messaging Yes - n/a - n/a
MMS Yes - n/a - n/a
Text Messaging Templates Yes Yes n/a - n/a
Music
Headphone Jack (3.5mm) - - Yes - Yes
Music Player Yes - n/a - n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes n/a Yes n/a
Calculator Yes Yes n/a Yes n/a
Calendar Yes Yes n/a - n/a
To-Do List - Yes n/a - n/a
Voice Memo Yes - n/a - n/a
Software
Games Yes Yes n/a Yes n/a
Java (J2ME) Yes - n/a - n/a
Voice
HD Voice - - - - Yes
Push-To-Talk - - Yes * - -
Speaker Phone Yes - Yes - Yes
  * Some versions only
  ZTE Z331 Ericsson T66 BlackBerry Curve 8300 Siemens A56 / A56i Sony Xperia XZs
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Z331 Ericsson T66 BlackBerry Curve 8300 Siemens A56 / A56i Sony Xperia XZs

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