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Phone Siemens CF75 Palm Treo 600 (CDMA) BlackBerry 7750 ZTE Imperial II TCL 20 SE
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size ? ? ? 5" diag.
16 : 9
6.8" diag.
20.5 : 9
Display Resolution & Type 128 x 160 pixels
LCD (STN)
160 x 160 pixels
LCD (Color)
240 x 240 pixels
LCD (Color)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
720 x 1640 pixels
(~263 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz 60 Hz
Battery 600 mAh ? ? 2,300 mAh 5,000 mAh
Processor ? ? ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) 1.6 GHz Qualcomm Snapdragon 460
RAM ? ? ? 1 GB 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB 128 GB
Main Camera Yes Yes - 5 megapixel 48 megapixel
Wide Camera - - - - 5 megapixel
Tele Camera - - - - -
Video Capture - - - 720p HD 1080p HD
Front Camera - - - 1 megapixel 13 megapixel
Weight 3.17 oz
(90g)
6.2 oz
(176g)
5.01 oz
(142g)
5.07 oz
(144g)
7.31 oz
(207g)
Dimensions 3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.6" x 2.8" x 0.4"
(142 x 71 x 10.2 mm)
6.78" x 3.04" x 0.35"
(172 x 77 x 8.9 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Palm OS BlackBerry OS Android Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

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

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 26, 28, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EDGE 1xRTT 1xRTT LTE (Cat 3) LTE (Cat 4)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location - n/a n/a n/a n/a
Accessibility
Adjustable Text Size - n/a n/a n/a n/a
Hearing Aid Compatible - - - Yes Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth - - - Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes Yes - - -
Mobile Hotspot - n/a n/a n/a n/a
USB Yes Yes Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID - n/a n/a n/a n/a
Ringer ID - n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers - n/a n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - -
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client Yes n/a n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - Yes Yes
Music Player - n/a n/a n/a n/a
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List Yes n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) - n/a n/a n/a n/a
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes - Yes Yes
  Siemens CF75 Palm Treo 600 (CDMA) BlackBerry 7750 ZTE Imperial II TCL 20 SE
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens CF75 Palm Treo 600 (CDMA) BlackBerry 7750 ZTE Imperial II TCL 20 SE

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