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Phone Samsung Flight A797 Kyocera 2235 Samsung Trill R520 Samsung Comeback T559 Palm Treo 755p
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
? 2.2" diag.
4 : 3
2.6" diag.
5 : 3
?
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
? 176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
400 x 240 pixels
(~179 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 1,000 mAh ? 880 mAh 960 mAh 1,600 mAh
Processor ? ? ? ? 312 MHz Intel XScale
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel - 1 megapixel 2 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) - ? QVGA (320 x 240) CIF (352 x 288)
Front Camera - - - - -
Weight 4.8 oz
(136g)
4.34 oz
(123g)
3.42 oz
(97g)
4.6 oz
(130g)
5.64 oz
(160g)
Dimensions 4.17" x 2.2" x 0.5"
(106 x 56 x 12.7 mm)
4.72" x 1.89" x 0.95"
(120 x 48 x 24.1 mm)
3.97" x 1.96" x 0.57"
(101 x 50 x 14.5 mm)
4.33" x 2.2" x 0.73"
(110 x 56 x 18.5 mm)
4.4" x 2.3" x 0.84"
(112 x 58 x 21.3 mm)
Form Factor Slab Slab Slide Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) Palm OS
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology HSDPA 3.6 1xRTT EVDO r0 HSDPA 3.6 EVDO r0
Features 
GPS / Location Yes - Yes - n/a
Accessibility
Adjustable Text Size - - - - n/a
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages Yes Yes Yes Yes n/a
TTY/TDD (Digital) Yes - Yes - Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
USB Yes
Micro-USB
- Yes Yes Yes
Contacts
Picture ID Yes - Yes Yes n/a
Ringer ID Yes - Yes Yes n/a
Voice Dialing Yes Yes Yes Yes n/a
Customization
Custom Graphics Yes - Yes Yes n/a
Custom Ringtones Yes Yes Yes Yes n/a
Real-Music Ringers Yes - Yes Yes n/a
Data & Network
Data Tethering Yes Yes Yes - n/a
External Antenna Jack - - - - n/a
WAP / Web Browser Yes Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes Yes n/a
Side Keys Yes - Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client Yes - - Yes n/a
Instant Messaging Yes - - Yes n/a
MMS Yes - Yes Yes n/a
Text Messaging Templates Yes Yes Yes Yes n/a
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player Yes - Yes Yes n/a
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar Yes - Yes Yes n/a
To-Do List Yes - - Yes n/a
Voice Memo Yes Yes Yes Yes n/a
Software
BREW - - Yes - n/a
Games Yes Yes Yes Yes n/a
Java (J2ME) Yes - - Yes n/a
Voice
Headset Jack (2.5 mm) - Yes - - n/a
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  Samsung Flight A797 Kyocera 2235 Samsung Trill R520 Samsung Comeback T559 Palm Treo 755p
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Flight A797 Kyocera 2235 Samsung Trill R520 Samsung Comeback T559 Palm Treo 755p

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