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Phone	Nokia N81	HTC Amaze 4G	Microsoft Lumia 550	Samsung Behold T919	BlackBerry 7130e
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	4.3" diag. 16 : 9	4.7" diag. 16 : 9	3.1" diag. 5 : 3	?
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) LCD (TFT/TFD)	240 x 400 pixels (~151 ppi) LCD (TFT/TFD)	240 x 260 pixels LCD (Color)
Display Refresh	?	60 Hz	?	?	?
Battery	1,050 mAh	1,730 mAh	2,100 mAh	1,000 mAh	1,000 mAh
Processor	369 MHz ARM 11	1.5 GHz Qualcomm Snapdragon S3 dual-core	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	?
RAM	?	1 GB	1 GB	?	?
Storage	8 GB *	16 GB	8 GB	? raw hardware	? raw hardware
Main Camera	2 megapixel	8 megapixel	5 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	1080p HD	720p HD	QVGA (320 x 240)	-
Front Camera	-	2 megapixel	2 megapixel	-	-
Weight	4.94 oz (140g)	6.1 oz (173g)	5.01 oz (142g)	4 oz (113g)	4.7 oz (133g)
Dimensions	4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm)	5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm)	5.36" x 2.67" x 0.39" (136 x 68 x 9.9 mm)	4.12" x 2.1" x 0.5" (105 x 53 x 12.7 mm)	4.6" x 2.2" x 0.9" (117 x 56 x 22.9 mm)
Form Factor	Slide	Slab	Slab	Slab	Slab
Platform / OS	S60 (Symbian)	Android	Windows	(proprietary)	BlackBerry OS
Network Bands	WCDMA: 1 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EDGE	HSPA+ 42	LTE (Cat 4)	WCDMA (UMTS)	EVDO r0
Features
Flashlight	-	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, T3 (mostly tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Ringer Profiles	Yes	-	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	n/a	n/a	-	n/a
NFC	-	Yes	-	-	-
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 802.11 b,g	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 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	-	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	-
Memory
Memory Card Slot	Yes *	Yes	Yes	Yes	-
Messaging
Email Client	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	Yes	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	n/a	n/a	Yes	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
Video Calling	n/a	n/a	n/a	-	n/a
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	Yes	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
Games	n/a	n/a	n/a	Yes	n/a
Java (J2ME)	n/a	n/a	n/a	Yes	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	n/a	n/a	-	n/a
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia N81	HTC Amaze 4G	Microsoft Lumia 550	Samsung Behold T919	BlackBerry 7130e
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia N81	HTC Amaze 4G	Microsoft Lumia 550	Samsung Behold T919	BlackBerry 7130e