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Phone Siemens A56 / A56i HP iPAQ 610 Business Navigator Ericsson T66 ZTE ZMAX Pro
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size ? 2.8" diag.
4 : 3
? 6" diag.
16 : 9
Display Resolution & Type 101 x 64 pixels 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
? 1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 700 mAh 1,590 mAh ? 3,400 mAh
Processor ? 520 MHz Marvell PXA270 ? 1.5 GHz Qualcomm Snapdragon 617 (MSM8952)
RAM ? ? ? 2 GB
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB
Main Camera - 3 megapixel - 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - QCIF (176 x 144) - 1080p HD
Front Camera - - - 5 megapixel
Weight 3 oz
(85g)
5.1 oz
(145g)
2.08 oz
(59g)
6.17 oz
(175g)
Dimensions 4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
4.61" x 2.37" x 0.69"
(117 x 60 x 17.5 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.5" x 3.3" x 0.35"
(165 x 84 x 8.9 mm)
Form Factor Slab Slab Slab Slab
Platform / OS (proprietary) Windows Mobile Professional (proprietary) Android
Network Bands

GSM: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology - HSPA 7.2 - LTE (Cat 4)
Features 
Fingerprint Reader - - - Yes
Flashlight - - - Yes
GPS / Location Yes n/a - n/a
Accessibility
Adjustable Text Size - n/a - n/a
Hearing Aid Compatible - - - Yes
Multiple Languages - n/a Yes n/a
TTY/TDD (Digital) Yes - - Yes
Alerts
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth -
Yes
Classic Audio
-
Yes
Classic Audio
Mobile Hotspot - n/a - n/a
USB - Yes
Mini-USB
- Yes
USB Type C
Wi-Fi - Yes
802.11 b,g
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a - n/a
Ringer ID Yes n/a - n/a
Voice Dialing - n/a - n/a
Customization
Changeable Body Plates Yes - - -
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers - n/a - n/a
Data & Network
Data Tethering - n/a - n/a
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys - Yes Yes Yes
Touch Screen - Yes - Yes
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client - n/a - n/a
EMS / Picture Messaging Yes n/a Yes n/a
Instant Messaging - n/a - n/a
MMS - n/a - n/a
Text Messaging Templates - n/a Yes n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) - - - Yes
Music Player - n/a - n/a
Photo & Video
Miracast - - - Yes
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar - n/a Yes n/a
To-Do List - n/a Yes n/a
Voice Memo - n/a - n/a
Software
Games Yes n/a Yes n/a
Voice
HD Voice - - - Yes
Speaker Phone - Yes - Yes
  Siemens A56 / A56i HP iPAQ 610 Business Navigator Ericsson T66 ZTE ZMAX Pro
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens A56 / A56i HP iPAQ 610 Business Navigator Ericsson T66 ZTE ZMAX Pro

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