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Phone ZTE Blade Z Max BlackBerry Storm2 9550 Samsung M400 Motorola KRZR K1m Ericsson T28 World
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6" diag.
16 : 9
3.3" diag.
4 : 3
2.4" diag.
4 : 3
? ?
Display Resolution & Type 1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
?
Display Refresh 60 Hz ? ? ? ?
Battery 4,080 mAh 1,400 mAh 1,000 mAh 880 mAh 500 mAh
Processor 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) ? 400 MHz Qualcomm QSC6155 ? ?
RAM 2 GB ? 128 MB ? ?
Storage 32 GB ? raw hardware 256 MB ? raw hardware ? raw hardware
Main Camera 16 megapixel 3 megapixel 1 megapixel 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD ? - ? -
Front Camera 8 megapixel - - - -
Weight 6.58 oz
(186g)
5.64 oz
(160g)
3.7 oz
(105g)
3.63 oz
(103g)
3.14 oz
(89g)
Dimensions 6.51" x 3.28" x 0.33"
(165 x 83 x 8.3 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
Form Factor Slab Slab Clamshell Clamshell Flip
Platform / OS Android BlackBerry OS (proprietary) (proprietary) (proprietary)
Network Bands

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

CDMA: 850, 1900

GSM: 900, 1900

Data Technology LTE (Cat 6) EVDO rA 1xRTT EVDO r0 -
Features 
Fingerprint Reader Yes
stand-alone
- - - -
Flashlight Yes - - - -
GPS / Location n/a n/a Yes Yes -
Accessibility
Adjustable Text Size n/a n/a Yes - -
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages n/a n/a Yes Yes -
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display - - Yes Yes -
Ringer Profiles - Yes - Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
USB Yes
USB Type C
Yes Yes
Micro-USB
Yes
Mini-USB
-
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
- - -
Contacts
Picture ID n/a n/a Yes Yes -
Ringer ID n/a n/a Yes Yes -
Voice Dialing n/a n/a Yes Yes Yes
Customization
Custom Graphics n/a n/a Yes Yes -
Custom Ringtones n/a n/a Yes Yes Yes
Real-Music Ringers n/a n/a Yes - -
Data & Network
Data Tethering n/a n/a - Yes Yes
WAP / Web Browser n/a n/a Yes Yes -
Input
Predictive Text Entry n/a n/a Yes Yes -
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes Yes - - -
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client n/a n/a - - -
EMS / Picture Messaging n/a n/a - Yes -
Instant Messaging n/a n/a - Yes * -
MMS n/a n/a Yes Yes -
Text Messaging Templates n/a n/a Yes Yes -
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes Yes Yes - -
Music Player n/a n/a - Yes -
Power
Fast Charging Yes - - - -
Productivity
Alarm n/a n/a Yes Yes Yes
Calculator n/a n/a Yes Yes Yes
Calendar n/a n/a Yes Yes -
To-Do List n/a n/a - - -
Voice Memo n/a n/a Yes Yes -
Software
BREW n/a n/a - Yes * -
Games n/a n/a Yes Yes Yes
Java (J2ME) n/a n/a - Yes * -
Voice
HD Voice Yes - - - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  ZTE Blade Z Max BlackBerry Storm2 9550 Samsung M400 Motorola KRZR K1m Ericsson T28 World
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Blade Z Max BlackBerry Storm2 9550 Samsung M400 Motorola KRZR K1m Ericsson T28 World

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