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Phone Palm Pre Plus (GSM) Kyocera Hydro Life BlackBerry 7750 Sony Ericsson Z550a
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.1" diag.
5 : 3
4.5" diag.
16 : 9
? 1.9" diag.
4 : 3
Display Resolution & Type 320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery 1,150 mAh 2,000 mAh ? ?
Processor ? 1.2 GHz Qualcomm Snapdragon MSM8212 ? ?
RAM ? 1.5 GB ? ?
Storage ? raw hardware 8 GB ? raw hardware ? raw hardware
Main Camera 3 megapixel 5 megapixel - 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture VGA (640 x 480) 720p HD - ?
Front Camera - 2 megapixel - -
Weight 4.89 oz
(139g)
4.8 oz
(136g)
5.01 oz
(142g)
3.26 oz
(92g)
Dimensions 3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
5.19" x 2.57" x 0.43"
(132 x 65 x 10.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.43" x 1.77" x 0.79"
(87 x 45 x 20.1 mm)
Form Factor Slide Slab Slab Clamshell
Platform / OS webOS Android BlackBerry OS (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology HSDPA 1.8 HSPA+ 21 1xRTT GPRS
Features 
Flashlight - Yes - -
GPS / Location n/a n/a n/a -
Ruggedized - Yes - -
Water-Resistant - Yes
IPX7 (snorkeling)
- -
Accessibility
Adjustable Text Size n/a n/a n/a -
Hearing Aid Compatible - Yes - -
Multiple Languages n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - - Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes - Yes
Mobile Hotspot n/a n/a n/a -
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Wi-Fi Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a n/a n/a Yes
Ringer ID n/a n/a n/a Yes
Voice Dialing n/a n/a n/a Yes
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 Yes
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 - Yes -
Touch Screen Yes Yes - -
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client 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
FM Radio - - - Yes
Headphone Jack (3.5mm) Yes Yes - -
Music Player n/a n/a n/a Yes
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
  * Some versions only
  Palm Pre Plus (GSM) Kyocera Hydro Life BlackBerry 7750 Sony Ericsson Z550a
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Phone Palm Pre Plus (GSM) Kyocera Hydro Life BlackBerry 7750 Sony Ericsson Z550a

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