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Phone	HTC Ozone XV6175	Samsung SGH-A657	Sony Ericsson T237 / T290a	ZTE Prelude / Avail 2	Motorola V551 / V330 / V547 / V555 / V557
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	?	?	3.5" diag. 5 : 3	?
Display Resolution & Type	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	101 x 80 pixels LCD (STN)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	1,500 mAh	1,420 mAh	?	1,500 mAh	820 mAh
Processor	528 MHz Qualcomm S1 MSM7625	?	?	1 GHz Qualcomm Snapdragon MSM7225A	?
RAM	?	?	?	512 MB	?
Storage	? raw hardware	? raw hardware	? raw hardware	4 GB	? raw hardware
Main Camera	2 megapixel	-	-	2 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	-	VGA (640 x 480)	?
Front Camera	-	-	-	-	-
Weight	3.7 oz (105g)	4.34 oz (123g)	2.79 oz (79g)	4.4 oz (125g)	4.23 oz (120g)
Dimensions	4.5" x 2.5" x 0.5" (114 x 64 x 12.7 mm)	4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm)	4" x 1.71" x 0.71" (102 x 43 x 18 mm)	4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)
Form Factor	Slab	Slab	Slab	Slab	Clamshell
Platform / OS	Windows Mobile Standard	(proprietary)	(proprietary)	Android	(proprietary)
Network Bands	CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 1900	WCDMA: 2, 5 GSM: 850, 1900	GSM: 850, 900, 1800, 1900 *
Data Technology	EVDO rA	HSDPA 3.6	GPRS	HSPA 7.2	EDGE
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	Yes	-	n/a	-
Ruggedized	-	Yes	-	-	-
Accessibility
Adjustable Text Size	n/a	-	-	n/a	-
Hearing Aid Compatible	Yes	-	-	Yes	-
Multiple Languages	n/a	Yes	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	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
USB	Yes	Yes	Yes	Yes	Yes
Wi-Fi	Yes 802.11 b,g	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	Yes	Yes	n/a	Yes
Ringer ID	n/a	Yes	Yes	n/a	Yes
Voice Dialing	n/a	-	Yes	n/a	Yes
Customization
Custom Graphics	n/a	Yes	Yes	n/a	Yes
Custom Ringtones	n/a	Yes	Yes	n/a	Yes
Real-Music Ringers	n/a	Yes	-	n/a	Yes
Data & Network
Data Tethering	n/a	Yes	-	n/a	Yes
WAP / Web Browser	n/a	Yes	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	-	-	-	Yes	-
Memory
Memory Card Slot	Yes	Yes	-	Yes	-
Messaging
Email Client	n/a	Yes	Yes	n/a	Yes
EMS / Picture Messaging	n/a	-	Yes	n/a	Yes
Instant Messaging	n/a	Yes	-	n/a	Yes
MMS	n/a	Yes	Yes	n/a	Yes
Text Messaging Templates	n/a	Yes	Yes	n/a	Yes
Music
Headphone Jack (3.5mm)	-	-	-	Yes	-
Music Player	n/a	Yes	-	n/a	-
Productivity
Alarm	n/a	Yes	Yes	n/a	Yes
Calculator	n/a	Yes	Yes	n/a	Yes
Calendar	n/a	Yes	Yes	n/a	Yes
To-Do List	n/a	Yes	-	n/a	-
Voice Memo	n/a	Yes	Yes	n/a	Yes
Software
Games	n/a	Yes	Yes	n/a	Yes
Java (J2ME)	n/a	Yes	-	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	-	-	n/a	Yes
Push-To-Talk	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	HTC Ozone XV6175	Samsung SGH-A657	Sony Ericsson T237 / T290a	ZTE Prelude / Avail 2	Motorola V551 / V330 / V547 / V555 / V557
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	HTC Ozone XV6175	Samsung SGH-A657	Sony Ericsson T237 / T290a	ZTE Prelude / Avail 2	Motorola V551 / V330 / V547 / V555 / V557