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Phone	Samsung M400	Samsung SCH-A610	HTC Windows Phone 8S	LG Invision	BlackBerry 7750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	?	4" diag. 5 : 3	2.2" diag. 4 : 3	?
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	320 x 240 pixels (~182 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)
Display Refresh	?	?	?	?	?
Battery	1,000 mAh	1,300 mAh	1,700 mAh	900 mAh	?
Processor	400 MHz Qualcomm QSC6155	?	1 GHz Qualcomm Snapdragon S4	?	?
RAM	128 MB	?	512 MB	?	?
Storage	256 MB	? raw hardware	4 GB	? raw hardware	? raw hardware
Main Camera	1 megapixel	Yes	5 megapixel	1 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	720p HD	QVGA (320 x 240)	-
Front Camera	-	-	-	-	-
Weight	3.7 oz (105g)	4.23 oz (120g)	3.99 oz (113g)	2.85 oz (81g)	5.01 oz (142g)
Dimensions	3.8" x 1.9" x 0.7" (97 x 48 x 17.8 mm)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)	4.74" x 2.48" x 0.4" (121 x 63 x 10.3 mm)	4.05" x 2.08" x 0.47" (103 x 53 x 11.9 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Windows	(proprietary)	BlackBerry OS
Network Bands	CDMA: 800, 850, 1900	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	1xRTT	HSPA+ 21	HSDPA 3.6	1xRTT
Features
Flashlight	-	-	Yes	-	-
GPS / Location	Yes	Yes	n/a	-	n/a
Accessibility
Adjustable Text Size	Yes	-	n/a	-	n/a
Hearing Aid Compatible	Yes	-	Yes	-	-
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	-
USB	Yes Micro-USB	-	Yes	Yes	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	Yes	Yes	n/a	Yes	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	Yes	-	n/a	Yes	n/a
Data & Network
Data Tethering	-	Yes	n/a	-	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	Yes	-	-
Memory
Memory Card Slot	-	-	Yes	Yes	-
Messaging
Email Client	-	-	n/a	Yes	n/a
EMS / Picture Messaging	-	Yes	n/a	-	n/a
Instant Messaging	-	-	n/a	Yes	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	Yes	-	Yes	-	-
Music Player	-	-	n/a	Yes	n/a
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	-	Yes	n/a	-	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	-	Yes	n/a	-	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	-	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	-	n/a
Speaker Phone	Yes	-	Yes	Yes	-
	Samsung M400	Samsung SCH-A610	HTC Windows Phone 8S	LG Invision	BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung M400	Samsung SCH-A610	HTC Windows Phone 8S	LG Invision	BlackBerry 7750