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Phone	ZTE Speed	AT&T Vista	Nokia E66	BlackBerry Curve 3G 9330	Motorola A840
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	5.5" diag. 18 : 9	2.4" diag. 4 : 3	2.5" diag. 4 : 3	?
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	?	?
Battery	2,000 mAh	2,450 mAh	1,000 mAh	1,150 mAh	?
Processor	1.2 GHz Qualcomm Snapdragon 410 MSM8916	2 GHz MediaTek Helio A22 (MT6761V)	?	?	?
RAM	1 GB	3 GB	?	?	?
Storage	8 GB	32 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	8 megapixel	3 megapixel	2 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	1080p HD	QVGA (320 x 240)	?	-
Front Camera	2 megapixel	5 megapixel	-	-	-
Weight	4.8 oz (136g)	5.51 oz (156g)	4.27 oz (121g)	3.7 oz (105g)	4.06 oz (115g)
Dimensions	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm)	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm)
Form Factor	Slab	Slab	Slide	Slab	Clamshell
Platform / OS	Android	Android	S60 (Symbian)	BlackBerry OS	(proprietary)
Network Bands	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	CDMA: 850, 1900 GSM: 900, 1800
Data Technology	LTE (Cat 3)	LTE (Cat 4)	HSDPA 3.6	EVDO r0	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 M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	-
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	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	n/a	n/a	n/a	-
USB	Yes Micro-USB	Yes USB Type C	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes	Yes 802.11 b,g	Yes 802.11 b,g	-
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
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
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	Yes Capacitive	Yes Capacitive	-	-	-
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	-	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	-
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	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
	ZTE Speed	AT&T Vista	Nokia E66	BlackBerry Curve 3G 9330	Motorola A840
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Speed	AT&T Vista	Nokia E66	BlackBerry Curve 3G 9330	Motorola A840