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Phone	Pantech Duo C810	ZTE Flash	HTC SDA (USA) / SP5m (Tornado)	ZTE Aspect	BlackBerry 7750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	4.5" diag. 16 : 9	2.2" diag. 4 : 3	2.4" diag. 4 : 3	?
Display Resolution & Type	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)
Display Refresh	?	60 Hz	?	?	?
Battery	1,320 mAh	1,780 mAh	?	1,000 mAh	?
Processor	ARM 920t PXA27x	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	?	230 MHz Qualcomm QSC6270	?
RAM	?	1 GB	?	128 MB	?
Storage	? raw hardware	8 GB	? raw hardware	256 MB	? raw hardware
Main Camera	1 megapixel	12 megapixel	1 megapixel	2 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	1080p HD	QCIF (176 x 144)	QVGA (320 x 240)	-
Front Camera	-	1 megapixel	-	-	-
Weight	3.88 oz (110g)	5.2 oz (147g)	3.74 oz (106g)	3.7 oz (105g)	5.01 oz (142g)
Dimensions	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)	5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm)	4.53" x 1.82" x 0.69" (115 x 46 x 17.5 mm)	4.55" x 2.4" x 0.45" (116 x 61 x 11.4 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)
Form Factor	Slide	Slab	Slab	Slab	Slab
Platform / OS	Windows Mobile Standard	Android	Windows Mobile Standard	(proprietary)	BlackBerry OS
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 25 CDMA: 800, 850, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 2, 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	HSDPA 1.8	LTE (Cat 3)	EDGE	WCDMA (UMTS)	1xRTT
Features
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	-	Yes	-
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	Yes	-	Yes	Yes	Yes
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes	Yes Classic Audio	-
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	n/a	n/a	-	n/a
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	Yes Mini-USB	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes	-	-
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	-	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
External Antenna Jack	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	-	-	Yes	Yes
Touch Screen	-	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	-	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
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	n/a	n/a	n/a	Yes	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	-	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
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Pantech Duo C810	ZTE Flash	HTC SDA (USA) / SP5m (Tornado)	ZTE Aspect	BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Pantech Duo C810	ZTE Flash	HTC SDA (USA) / SP5m (Tornado)	ZTE Aspect	BlackBerry 7750