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Phone	Sony Ericsson K850	Samsung SCH-U740 Alias	BlackBerry Storm2 9550	Huawei Ascend II	BLU Vivo XL
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	?	3.3" diag. 4 : 3	3.5" diag. 5 : 3	5.5" diag. 16 : 9
Display Resolution & Type	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) AMOLED
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	?	?	1,400 mAh	1,400 mAh	3,150 mAh
Processor	?	?	?	600 MHz Qualcomm S1 MSM7627	1.3 GHz MediaTek 6753
RAM	?	?	?	?	2 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	16 GB
Main Camera	5 megapixel	1 megapixel	3 megapixel	5 megapixel	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	?	VGA (640 x 480)	1080p HD
Front Camera	-	-	-	-	5 megapixel
Weight	4.2 oz (119g)	3.56 oz (101g)	5.64 oz (160g)	4.1 oz (116g)	5.36 oz (152g)
Dimensions	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	3.84" x 2.04" x 0.63" (98 x 52 x 16 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm)	6.11" x 3.02" x 0.3" (155 x 77 x 7.5 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	BlackBerry OS	Android	Android
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1700, 1900	4G LTE: 2, 4, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 3.6	EVDO r0	EVDO rA	EVDO rA	LTE (Cat 4)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	-	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	-	Yes M4 (very compatible)	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	Yes	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	Yes	Yes	Yes	Yes Micro-USB	Yes USB Type C
Wi-Fi	-	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	Yes	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	n/a	n/a
Dual-SIM	-	-	-	-	Yes
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	Yes	Yes	n/a	n/a	n/a
Instant Messaging	-	Yes	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
FM Radio	Yes	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	Yes	Yes	n/a	n/a	n/a
Photo & Video
Video Calling	Yes *	-	n/a	n/a	n/a
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	Yes	-	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
BREW	-	Yes	n/a	n/a	n/a
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	-	n/a	n/a	n/a
Voice
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Sony Ericsson K850	Samsung SCH-U740 Alias	BlackBerry Storm2 9550	Huawei Ascend II	BLU Vivo XL
	X >	< X >	< X >	< X >	< X

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


Phone	Sony Ericsson K850	Samsung SCH-U740 Alias	BlackBerry Storm2 9550	Huawei Ascend II	BLU Vivo XL