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Specifications
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Phone	Samsung Galaxy Ring / Prevail 2	Palm Treo Pro (GSM)	HTC Droid Eris	BlackBerry 7750	Samsung M220
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	?	3.2" diag. 5 : 3	?	1.5" diag. 4 : 3
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	128 x 160 pixels (~137 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	60 Hz	?	?
Battery	1,750 mAh	1,500 mAh	1,300 mAh	?	800 mAh
Processor	1.4 GHz Qualcomm Snapdragon S2 MSM8655	400 MHz MSM7201	528 MHz MSM7600	?	?
RAM	1 GB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	2 megapixel	5 megapixel	-	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	CIF (352 x 288)	-	-
Front Camera	1 megapixel	-	-	-	-
Weight	3.4 oz (96g)	4.69 oz (133g)	4.43 oz (126g)	5.01 oz (142g)	3.1 oz (88g)
Dimensions	4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm)	4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm)	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	3.5" x 1.9" x 0.8" (89 x 48 x 20.3 mm)
Form Factor	Slab	Slab	Slab	Slab	Clamshell
Platform / OS	Android	Windows Mobile Professional	Android	BlackBerry OS	(proprietary)
Network Bands	CDMA: 800, 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	EVDO rA	HSDPA 3.6	EVDO rA	1xRTT	1xRTT
Features
GPS / Location	n/a	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	Yes M4 (very compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
USB	Yes	Yes Micro-USB	Yes Mini-USB	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 a,b,g,n)	Yes 802.11 b,g	Yes 802.11 b,g	-	-
Contacts
Picture ID	n/a	n/a	n/a	n/a	Yes
Ringer ID	n/a	n/a	n/a	n/a	Yes
Voice Dialing	n/a	n/a	n/a	n/a	Yes
Customization
Custom Graphics	n/a	n/a	n/a	n/a	Yes
Custom Ringtones	n/a	n/a	n/a	n/a	Yes
Real-Music Ringers	n/a	n/a	n/a	n/a	-
Data & Network
Data Tethering	n/a	n/a	n/a	n/a	Yes
WAP / Web Browser	n/a	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	-	Yes	-	Yes	-
Touch Screen	Yes Capacitive	Yes Resistive	Yes Capacitive	-	-
Memory
Memory Card Slot	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	n/a	n/a	n/a	n/a	-
Text Messaging Templates	n/a	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	n/a	n/a	n/a	-
Photo & Video
DLNA	Yes	-	-	-	-
Productivity
Alarm	n/a	n/a	n/a	n/a	Yes
Calculator	n/a	n/a	n/a	n/a	Yes
Calendar	n/a	n/a	n/a	n/a	Yes
To-Do List	n/a	n/a	n/a	n/a	Yes
Voice Memo	n/a	n/a	n/a	n/a	Yes
Software
Games	n/a	n/a	n/a	n/a	Yes
Java (J2ME)	n/a	n/a	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	-	Yes
	Samsung Galaxy Ring / Prevail 2	Palm Treo Pro (GSM)	HTC Droid Eris	BlackBerry 7750	Samsung M220
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Galaxy Ring / Prevail 2	Palm Treo Pro (GSM)	HTC Droid Eris	BlackBerry 7750	Samsung M220