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Specifications
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Phone	Huawei Vitria	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung Galaxy S II / SGH-i777	BlackBerry Curve 8330	Samsung SGH-A727
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	?	4.3" diag. 5 : 3	?	?
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	320 x 240 pixels LCD (TFT/TFD)	220 x 176 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	60 Hz	?	?
Battery	1,750 mAh	1,490 mAh	1,650 mAh	1,150 mAh	?
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	400 MHz Intel XScale	1.2 GHz Samsung Exynos dual-core	?	?
RAM	1 GB	?	?	?	?
Storage	4 GB	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	5 megapixel	Yes	8 megapixel	2 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	QCIF (176 x 144)	1080p HD	?	QCIF (176 x 144)
Front Camera	Yes	-	2 megapixel	-	-
Weight	4.94 oz (140g)	7.41 oz (210g)	4.3 oz (122g)	4.02 oz (114g)	2.82 oz (80g)
Dimensions	4.99" x 2.51" x 0.46" (127 x 64 x 11.7 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)	4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm)	4.2" x 2.4" x 0.6" (107 x 61 x 15.2 mm)	4.51" x 2.01" x 0.35" (115 x 51 x 8.9 mm)
Form Factor	Slab	Slide	Slab	Slab	Slab
Platform / OS	Android	Windows Mobile Professional	Android	BlackBerry OS	(proprietary)
Network Bands	4G LTE: 4 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	GPRS	HSPA+ 21	EVDO r0	HSDPA 1.8
Features
GPS / Location	n/a	n/a	n/a	n/a	-
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3 (mostly 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
Ringer Profiles	-	-	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	n/a	n/a	n/a	-
NFC	-	-	Yes	-	-
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes Mini-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes	Yes 4 (802.11 a,b,g,n)	-	-
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	-
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	Yes
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
Text Keyboard, Hardware	-	Yes	-	Yes	-
Touch Screen	Yes Capacitive	Yes	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	n/a	n/a	Yes
Instant Messaging	n/a	n/a	n/a	n/a	Yes
MMS	n/a	n/a	n/a	n/a	Yes
Text Messaging Templates	n/a	n/a	n/a	n/a	Yes
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	-
Music Player	n/a	n/a	n/a	n/a	Yes
Photo & Video
DLNA	Yes	-	Yes	-	-
TV Output	-	-	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	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Huawei Vitria	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung Galaxy S II / SGH-i777	BlackBerry Curve 8330	Samsung SGH-A727
	X >	< X >	< X >	< X >	< X

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


Phone	Huawei Vitria	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung Galaxy S II / SGH-i777	BlackBerry Curve 8330	Samsung SGH-A727