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Specifications
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Phone	ZTE Prelude / Avail 2	Samsung SCH-A220	BlackBerry 7750	HTC Desire 612 (CDMA)	Nokia E66
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	?	?	4.7" diag. 16 : 9	2.4" diag. 4 : 3
Display Resolution & Type	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	240 x 240 pixels LCD (Color)	540 x 960 pixels (~234 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	1,500 mAh	?	?	2,040 mAh	1,000 mAh
Processor	1 GHz Qualcomm Snapdragon MSM7225A	?	?	1.2 GHz Qualcomm Snapdragon 400 (MSM8926)	?
RAM	512 MB	?	?	1 GB	?
Storage	4 GB	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	2 megapixel	-	-	8 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	-	-	1080p HD	QVGA (320 x 240)
Front Camera	-	-	-	1 megapixel	-
Weight	4.4 oz (125g)	3.25 oz (92g)	5.01 oz (142g)	5.15 oz (146g)	4.27 oz (121g)
Dimensions	4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm)	2.87" x 2.09" x 0.94" (73 x 53 x 23.9 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	5.66" x 2.77" x 0.37" (144 x 70 x 9.4 mm)	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slide
Platform / OS	Android	(proprietary)	BlackBerry OS	Android	S60 (Symbian)
Network Bands	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 4, 13 CDMA: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	HSPA 7.2	1xRTT	1xRTT	LTE (Cat 3)	HSDPA 3.6
Features
GPS / Location	n/a	Yes	n/a	n/a	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, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Ringer Profiles	-	-	Yes	-	Yes
Connectivity
Bluetooth	Yes	-	-	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes	-	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	n/a	-	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	-	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	-	Yes	Yes
Messaging
Email Client	n/a	-	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	-	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	-	n/a	n/a	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
DLNA	-	-	-	Yes	-
Video Calling	n/a	-	n/a	n/a	n/a
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	-	n/a	n/a	n/a
Java (J2ME)	n/a	-	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Speaker Phone	Yes	-	-	Yes	Yes
	* Some versions only
	ZTE Prelude / Avail 2	Samsung SCH-A220	BlackBerry 7750	HTC Desire 612 (CDMA)	Nokia E66
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Prelude / Avail 2	Samsung SCH-A220	BlackBerry 7750	HTC Desire 612 (CDMA)	Nokia E66