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Specifications
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Phone	Samsung SCH-A570	Nokia Lumia 521 / 520	Motorola Sidekick Slide	UTStarcom PPC-6700 / XV-6700 / HTC Apache	ZTE Blade Vantage
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	?	?	5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (STN)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	?	1,430 mAh	?	1,350 mAh	2,500 mAh
Processor	?	1 GHz Qualcomm Snapdragon S4 MSM8270	225 MHz TI OMAP 850	416 MHz Intel	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	512 MB	?	?	2 GB
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	16 GB
Main Camera	-	5 megapixel	1 megapixel	1 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	-	?	720p HD
Front Camera	-	-	-	-	2 megapixel
Weight	3.6 oz (102g)	4.39 oz (124g)	5.3 oz (150g)	6.07 oz (172g)	5.29 oz (150g)
Dimensions	3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm)	4.25" x 2.32" x 0.93" (108 x 59 x 23.6 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)
Form Factor	Clamshell	Slab	Slide	Slide	Slab
Platform / OS	(proprietary)	Windows	(proprietary)	Windows Mobile Professional	Android
Network Bands	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 13
Data Technology	1xRTT	HSPA+ 21	EDGE	EVDO r0	LTE (Cat 4)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	n/a	-	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	Yes	n/a	n/a
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	-	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	-	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	-	Yes	Yes	Yes Mini-USB	Yes Micro-USB
Wi-Fi	-	Yes	-	Yes	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	-	n/a	Yes	n/a	n/a
Ringer ID	-	n/a	Yes	n/a	n/a
Voice Dialing	Yes	n/a	-	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	-	n/a	-	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	-	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	-
Touch Screen	-	Yes Capacitive	-	Yes	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	Yes	n/a	n/a
EMS / Picture Messaging	Yes	n/a	-	n/a	n/a
Instant Messaging	-	n/a	Yes	n/a	n/a
MMS	-	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	-	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	Yes	n/a	n/a
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	-	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	Yes	n/a	Yes	n/a	n/a
Voice Memo	Yes	n/a	-	n/a	n/a
Software
BREW	Yes	n/a	-	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	-	n/a	Yes	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SCH-A570	Nokia Lumia 521 / 520	Motorola Sidekick Slide	UTStarcom PPC-6700 / XV-6700 / HTC Apache	ZTE Blade Vantage
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A570	Nokia Lumia 521 / 520	Motorola Sidekick Slide	UTStarcom PPC-6700 / XV-6700 / HTC Apache	ZTE Blade Vantage