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Phone ZTE Z432 / Altair 2 ZTE Engage LT / Engage MT Samsung SCH-A990 Nokia 3650
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
4" diag.
5 : 3
? ?
Display Resolution & Type 320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
176 x 208 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery 900 mAh 1,900 mAh 1,000 mAh 850 mAh
Processor Qualcomm QSC6270 ? ? ?
RAM 128 MB 1 GB ? ?
Storage 256 MB 4 GB ? raw hardware ? raw hardware
Main Camera 2 megapixel 3 megapixel 3 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) WVGA / 480p ? ?
Front Camera - Yes - -
Weight 3.24 oz
(92g)
5.09 oz
(144g)
4.4 oz
(125g)
4.59 oz
(130g)
Dimensions 4.48" x 2.38" x 0.44"
(114 x 60 x 11.2 mm)
4.78" x 2.54" x 0.46"
(121 x 64 x 11.7 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.1" x 2.24" x 1"
(130 x 57 x 25.4 mm)
Form Factor Slab Slab Clamshell Slab
Platform / OS (proprietary) Android (proprietary) S60 (Symbian)
Network Bands

WCDMA: 2, 5

GSM: 850, 1900

CDMA: 850, 1700, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology HSDPA 3.6 EVDO rA EVDO r0 GPRS
Features 
Flashlight - - Yes -
GPS / Location Yes n/a Yes n/a
Accessibility
Adjustable Text Size Yes n/a - n/a
Hearing Aid Compatible Yes - Yes -
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - Yes -
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - - - Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes -
Wi-Fi - Yes - -
Contacts
Picture ID Yes n/a Yes n/a
Ringer ID Yes n/a Yes n/a
Voice Dialing - n/a Yes n/a
Customization
Changeable Body Plates - - - Yes
Custom Graphics Yes n/a Yes n/a
Custom Ringtones - n/a Yes n/a
Real-Music Ringers Yes n/a Yes n/a
Data & Network
Data Tethering - n/a Yes 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 -
Text Keyboard, Hardware Yes - - -
Touch Screen - Yes - -
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client Yes n/a - n/a
EMS / Picture Messaging - n/a Yes n/a
Instant Messaging - n/a - n/a
MMS Yes n/a Yes n/a
Text Messaging Templates Yes n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes Yes - -
Music Player Yes n/a Yes n/a
Stereo Speakers - - Yes -
Photo & Video
TV Output - - Yes -
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List - n/a - n/a
Voice Memo Yes n/a Yes n/a
Software
BREW - n/a Yes n/a
Games - n/a Yes n/a
Java (J2ME) - n/a - n/a
Voice
Speaker Phone Yes Yes Yes Yes
  ZTE Z432 / Altair 2 ZTE Engage LT / Engage MT Samsung SCH-A990 Nokia 3650
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Z432 / Altair 2 ZTE Engage LT / Engage MT Samsung SCH-A990 Nokia 3650

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