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Phone	Nokia E66	AT&T Vista	BlackBerry Storm2 9550	HTC SDA (USA) / SP5m (Tornado)	Motorola V710
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	5.5" diag. 18 : 9	3.3" diag. 4 : 3	2.2" diag. 4 : 3	?
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,000 mAh	2,450 mAh	1,400 mAh	?	?
Processor	?	2 GHz MediaTek Helio A22 (MT6761V)	?	?	?
RAM	?	3 GB	?	?	?
Storage	? raw hardware	32 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	3 megapixel	8 megapixel	3 megapixel	1 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	1080p HD	?	QCIF (176 x 144)	?
Front Camera	-	5 megapixel	-	-	-
Weight	4.27 oz (121g)	5.51 oz (156g)	5.64 oz (160g)	3.74 oz (106g)	4.06 oz (115g)
Dimensions	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)	5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	4.53" x 1.82" x 0.69" (115 x 46 x 17.5 mm)	3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm)
Form Factor	Slide	Slab	Slab	Slab	Clamshell
Platform / OS	S60 (Symbian)	Android	BlackBerry OS	Windows Mobile Standard	(proprietary)
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	HSDPA 3.6	LTE (Cat 4)	EVDO rA	EDGE	1xRTT
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes	Yes	-	Yes
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	Yes	-	Yes	Yes	-
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes	Yes Classic Audio
Infrared (IR)	Yes	-	-	Yes	-
USB	Yes Micro-USB	Yes USB Type C	Yes	Yes Mini-USB	Yes *
Wi-Fi	Yes 802.11 b,g	Yes	Yes 802.11 b,g	Yes	-
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	Yes
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
External Antenna Jack	n/a	n/a	n/a	n/a	-
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
Touch Screen	-	Yes	Yes	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	n/a	n/a	Yes *
EMS / Picture Messaging	n/a	n/a	n/a	n/a	Yes
Instant Messaging	n/a	n/a	n/a	n/a	-
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	-	-
Music Player	n/a	n/a	n/a	n/a	Yes
Photo & Video
Video Calling	n/a	n/a	n/a	n/a	-
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	-
Voice Memo	n/a	n/a	n/a	n/a	Yes
Software
BREW	n/a	n/a	n/a	n/a	Yes
Games	n/a	n/a	n/a	n/a	Yes
Java (J2ME)	n/a	n/a	n/a	n/a	-
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	n/a	n/a	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia E66	AT&T Vista	BlackBerry Storm2 9550	HTC SDA (USA) / SP5m (Tornado)	Motorola V710
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia E66	AT&T Vista	BlackBerry Storm2 9550	HTC SDA (USA) / SP5m (Tornado)	Motorola V710