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Phone Palm Treo 600 (CDMA) ZTE Imperial II BlackBerry Storm2 9550 Siemens CF75
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size ? 5" diag.
16 : 9
3.3" diag.
4 : 3
?
Display Resolution & Type 160 x 160 pixels
LCD (Color)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? 60 Hz ? ?
Battery ? 2,300 mAh 1,400 mAh 600 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ? ?
RAM ? 1 GB ? ?
Storage ? raw hardware 8 GB ? raw hardware ? raw hardware
Main Camera Yes 5 megapixel 3 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 720p HD ? -
Front Camera - 1 megapixel - -
Weight 6.2 oz
(176g)
5.07 oz
(144g)
5.64 oz
(160g)
3.17 oz
(90g)
Dimensions 4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
5.6" x 2.8" x 0.4"
(142 x 71 x 10.2 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
Form Factor Slab Slab Slab Clamshell
Platform / OS Palm OS Android BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 17

CDMA: 850, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology 1xRTT LTE (Cat 3) EVDO rA EDGE
Features 
GPS / Location n/a n/a n/a -
Accessibility
Adjustable Text Size n/a n/a n/a -
Hearing Aid Compatible - Yes Yes -
Multiple Languages n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - - - Yes
Ringer Profiles - - Yes -
Connectivity
Bluetooth - Yes Yes -
Infrared (IR) Yes - - Yes
Mobile Hotspot n/a n/a n/a -
USB Yes Yes
Micro-USB
Yes Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
-
Contacts
Picture ID n/a n/a n/a -
Ringer ID n/a n/a n/a -
Voice Dialing n/a n/a n/a -
Customization
Custom Graphics n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a -
Data & Network
Data Tethering n/a n/a n/a Yes
WAP / Web Browser n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Touch Screen Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes -
Messaging
Email Client n/a n/a n/a Yes
EMS / Picture Messaging n/a n/a n/a Yes
Instant Messaging n/a n/a n/a -
MMS n/a n/a n/a Yes
Text Messaging Templates n/a n/a n/a Yes
Music
Headphone Jack (3.5mm) - Yes Yes -
Music Player n/a n/a n/a -
Productivity
Alarm n/a n/a n/a Yes
Calculator n/a n/a n/a Yes
Calendar n/a n/a n/a Yes
To-Do List n/a n/a n/a Yes
Voice Memo n/a n/a n/a Yes
Software
Games n/a n/a n/a Yes
Java (J2ME) n/a n/a n/a Yes
Voice
Headset Jack (2.5 mm) n/a n/a n/a -
Push-To-Talk - - - Yes
Speaker Phone Yes Yes Yes Yes
  Palm Treo 600 (CDMA) ZTE Imperial II BlackBerry Storm2 9550 Siemens CF75
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Phone Palm Treo 600 (CDMA) ZTE Imperial II BlackBerry Storm2 9550 Siemens CF75

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