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Specifications
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Phone	Microsoft Lumia 550	Samsung Galaxy S III (CDMA)	HTC Amaze 4G	Motorola RAZR V3m	BlackBerry 7750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.7" diag. 16 : 9	4.8" diag. 16 : 9	4.3" diag. 16 : 9	?	?
Display Resolution & Type	720 x 1280 pixels (~312 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~306 ppi) AMOLED	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	240 x 240 pixels LCD (Color)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	2,100 mAh	2,100 mAh	1,730 mAh	780 mAh	?
Processor	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	1.5 GHz Qualcomm Snapdragon S4	1.5 GHz Qualcomm Snapdragon S3 dual-core	?	?
RAM	1 GB	2 GB	1 GB	?	?
Storage	8 GB	16 GB *	16 GB	? raw hardware	? raw hardware
Main Camera	5 megapixel	8 megapixel	8 megapixel	1 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	1080p HD	1080p HD	?	-
Front Camera	2 megapixel	2 megapixel	2 megapixel	-	-
Weight	5.01 oz (142g)	4.65 oz (132g)	6.1 oz (173g)	3.49 oz (99g)	5.01 oz (142g)
Dimensions	5.36" x 2.67" x 0.39" (136 x 68 x 9.9 mm)	5.38" x 2.78" x 0.34" (137 x 71 x 8.6 mm)	5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm)	3.9" x 2.1" x 0.57" (99 x 53 x 14.5 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Windows	Android	Android	(proprietary)	BlackBerry OS
Network Bands	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 *	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 4)	LTE (Cat 3)	HSPA+ 42	EVDO r0	1xRTT
Features
Flashlight	Yes	Yes	Yes	-	-
GPS / Location	n/a	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil 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	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	n/a	n/a	n/a	-	n/a
NFC	-	Yes	Yes	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes Mini-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 a,b,g,n)	-	-
Contacts
Picture ID	n/a	n/a	n/a	Yes	n/a
Ringer ID	n/a	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	n/a	Yes	n/a
Customization
Custom Graphics	n/a	n/a	n/a	Yes	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	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	-
Messaging
Email Client	n/a	n/a	n/a	-	n/a
EMS / Picture Messaging	n/a	n/a	n/a	Yes	n/a
Instant Messaging	n/a	n/a	n/a	Yes *	n/a
MMS	n/a	n/a	n/a	Yes	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes *	n/a
Music
FM Radio	Yes	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	n/a	n/a	Yes	n/a
Photo & Video
DLNA	-	Yes	Yes	-	-
TV Output	-	Yes	Yes	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	n/a	Yes	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	n/a	-	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
BREW	n/a	n/a	n/a	Yes	n/a
Games	n/a	n/a	n/a	Yes	n/a
Java (J2ME)	n/a	n/a	n/a	-	n/a
Voice
HD Voice	Yes	Yes	-	-	-
Headset Jack (2.5 mm)	n/a	n/a	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Microsoft Lumia 550	Samsung Galaxy S III (CDMA)	HTC Amaze 4G	Motorola RAZR V3m	BlackBerry 7750
	X >	< X >	< X >	< X >	< X

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


Phone	Microsoft Lumia 550	Samsung Galaxy S III (CDMA)	HTC Amaze 4G	Motorola RAZR V3m	BlackBerry 7750