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Phone	Nokia Lumia 810	ZTE Z432 / Altair 2	Samsung Gloss SCH-U440	Samsung Nexus S	Audiovox CDM-8910 / PM-8912 / Flasher V7
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	2.4" diag. 4 : 3	2.2" diag. 4 : 3	4" diag. 5 : 3	?
Display Resolution & Type	480 x 800 pixels (~217 ppi) AMOLED	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	220 x 176 pixels (~128 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	1,800 mAh	900 mAh	800 mAh	1,500 mAh	?
Processor	1.5 GHz Qualcomm Snapdragon	Qualcomm QSC6270	?	1 GHz Samsung Hummingbird Cortex A8	?
RAM	1 GB	128 MB	?	?	?
Storage	8 GB	256 MB	? raw hardware	16 GB	? raw hardware
Main Camera	8 megapixel	2 megapixel	1 megapixel	5 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	QVGA (320 x 240)	-	WVGA / 480p	-
Front Camera	1 megapixel	-	-	Yes	-
Weight	5.11 oz (145g)	3.24 oz (92g)	3.55 oz (101g)	4.55 oz (129g)	3.7 oz (105g)
Dimensions	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.48" x 2.38" x 0.44" (114 x 60 x 11.2 mm)	2.55" x 2.94" x 0.82" (65 x 75 x 20.8 mm)	4.88" x 2.48" x 0.43" (124 x 63 x 10.9 mm)	3.9" x 1.83" x 0.97" (99 x 46 x 24.6 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Clamshell
Platform / OS	Windows	(proprietary)	(proprietary)	Android	(proprietary)
Network Bands	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900	WCDMA: 1, 4, 8 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850 *
Data Technology	HSPA+ 42	HSDPA 3.6	1xRTT	HSPA 7.2	1xRTT
Features
GPS / Location	n/a	Yes	Yes	n/a	Yes
Accessibility
Adjustable Text Size	n/a	Yes	-	n/a	-
Hearing Aid Compatible	Yes	Yes	Yes	Yes	-
Multiple Languages	n/a	Yes	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	Yes	-	Yes
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-
Mobile Hotspot	n/a	-	-	n/a	-
NFC	Yes	-	-	Yes	-
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 a,b,g,n)	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	Yes	Yes	n/a	Yes
Ringer ID	n/a	Yes	Yes	n/a	Yes
Voice Dialing	n/a	-	Yes	n/a	Yes
Customization
Custom Graphics	n/a	Yes	Yes	n/a	Yes
Custom Ringtones	n/a	-	Yes	n/a	Yes
Real-Music Ringers	n/a	Yes	Yes	n/a	-
Data & Network
Data Tethering	n/a	-	-	n/a	Yes
WAP / Web Browser	n/a	Yes	-	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	-	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	Yes	-	-
Touch Screen	Yes	-	-	Yes	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	n/a	Yes	-	n/a	-
Instant Messaging	n/a	-	-	n/a	-
MMS	n/a	Yes	Yes	n/a	Yes
Text Messaging Templates	n/a	Yes	Yes	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	-
Music Player	n/a	Yes	Yes	n/a	-
Power
Wireless Charging	Yes	-	-	-	-
Productivity
Alarm	n/a	Yes	Yes	n/a	Yes
Calculator	n/a	Yes	Yes	n/a	Yes
Calendar	n/a	Yes	Yes	n/a	Yes
Voice Memo	n/a	Yes	Yes	n/a	Yes
Software
BREW	n/a	-	Yes	n/a	Yes *
Games	n/a	-	Yes	n/a	Yes
Java (J2ME)	n/a	-	-	n/a	Yes *
Voice
Headset Jack (2.5 mm)	n/a	-	Yes	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia Lumia 810	ZTE Z432 / Altair 2	Samsung Gloss SCH-U440	Samsung Nexus S	Audiovox CDM-8910 / PM-8912 / Flasher V7
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Nokia Lumia 810	ZTE Z432 / Altair 2	Samsung Gloss SCH-U440	Samsung Nexus S	Audiovox CDM-8910 / PM-8912 / Flasher V7