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Phone	Samsung SGH-A157	HTC G2	Palm Treo 650 (CDMA)	BlackBerry Curve 8330	HTC EVO 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.8" diag. 4 : 3	3.7" diag. 5 : 3	?	?	4.3" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	800 mAh	1,300 mAh	?	1,150 mAh	1,500 mAh
Processor	?	800 MHz Qualcomm S2 MSM7230	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	-	5 megapixel	Yes	2 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	QVGA (320 x 240)	?	720p HD
Front Camera	-	-	-	-	Yes
Weight	2.99 oz (85g)	6.5 oz (184g)	6.3 oz (179g)	4.02 oz (114g)	6 oz (170g)
Dimensions	3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm)	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.2" x 2.4" x 0.6" (107 x 61 x 15.2 mm)	4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	Palm OS	BlackBerry OS	Android
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G WiMAX: 41 CDMA: 850, 1900
Data Technology	?	HSPA 14.4	1xRTT	EVDO r0	WiMAX
Features
GPS / Location	Yes	n/a	n/a	n/a	n/a
Accessibility
Adjustable Text Size	Yes	n/a	n/a	n/a	n/a
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M3 (mostly compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes
Multiple Languages	Yes	n/a	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	-	Yes	Yes
Alerts
Ringer Profiles	Yes	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	n/a	n/a	n/a	n/a
USB	Yes Micro-USB	Yes	-	Yes Mini-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	Yes 802.11 b,g
Contacts
Picture ID	Yes	n/a	n/a	n/a	n/a
Ringer ID	Yes	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	Yes	n/a	n/a	n/a	n/a
Data & Network
Data Tethering	-	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
Text Keyboard, Hardware	-	Yes	Yes	Yes	-
Touch Screen	-	Yes Capacitive	Yes	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	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	Yes
Music Player	-	n/a	n/a	n/a	n/a
Photo & Video
TV Output	-	-	-	-	Yes
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	-	n/a	n/a	n/a	n/a
Java (J2ME)	-	n/a	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-A157	HTC G2	Palm Treo 650 (CDMA)	BlackBerry Curve 8330	HTC EVO 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A157	HTC G2	Palm Treo 650 (CDMA)	BlackBerry Curve 8330	HTC EVO 4G