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Phone	Samsung SGH-A157	Palm Treo 650 (CDMA)	HTC EVO 4G	Motorola RAZR V3	BlackBerry Storm2 9550
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.8" diag. 4 : 3	?	4.3" diag. 5 : 3	?	3.3" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	800 mAh	?	1,500 mAh	680 mAh	1,400 mAh
Processor	?	312 MHz Intel XScale PXA270	1 GHz Qualcomm Snapdragon S1 QSD8650	?	?
RAM	?	?	?	?	?
Storage	256 MB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	Yes	8 megapixel	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	720p HD	?	?
Front Camera	-	-	Yes	-	-
Weight	2.99 oz (85g)	6.3 oz (179g)	6 oz (170g)	3.42 oz (97g)	5.64 oz (160g)
Dimensions	3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm)	3.86" x 2.09" x 0.54" (98 x 53 x 13.7 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Palm OS	Android	(proprietary)	BlackBerry OS
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G WiMAX: 41 CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	?	1xRTT	WiMAX	GPRS	EVDO rA
Features
GPS / Location	Yes	n/a	n/a	-	n/a
Accessibility
Adjustable Text Size	Yes	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M4 (very compatible)	-	Yes	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	Yes	-	-	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	n/a	-	n/a
USB	Yes Micro-USB	-	Yes	Yes Mini-USB	Yes
Wi-Fi	-	-	Yes 802.11 b,g	-	Yes 802.11 b,g
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	-	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	Yes	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	-	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	-	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	Yes	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	-	n/a	n/a	Yes	n/a
EMS / Picture Messaging	-	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	Yes	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	n/a	n/a	-	n/a
Photo & Video
TV Output	-	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	-	n/a	n/a	Yes	n/a
Java (J2ME)	-	n/a	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-A157	Palm Treo 650 (CDMA)	HTC EVO 4G	Motorola RAZR V3	BlackBerry Storm2 9550
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung SGH-A157	Palm Treo 650 (CDMA)	HTC EVO 4G	Motorola RAZR V3	BlackBerry Storm2 9550