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Phone	Nokia Lumia 521 / 520	UTStarcom Slice PCS-1400	Motorola RIZR Z3	Motorola Sidekick Slide	HTC Desire 612 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	?	?	?	4.7" diag. 16 : 9
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	176 x 220 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	540 x 960 pixels (~234 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	1,430 mAh	900 mAh	780 mAh	?	2,040 mAh
Processor	1 GHz Qualcomm Snapdragon S4 MSM8270	?	?	225 MHz TI OMAP 850	1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM	512 MB	?	?	?	1 GB
Storage	8 GB	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	5 megapixel	-	2 megapixel	1 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	QCIF (176 x 144)	-	1080p HD
Front Camera	-	-	-	-	1 megapixel
Weight	4.39 oz (124g)	2.3 oz (65g)	3.92 oz (111g)	5.3 oz (150g)	5.15 oz (146g)
Dimensions	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	4.3" x 1.8" x 0.4" (109 x 46 x 10.2 mm)	4.15" x 1.79" x 0.65" (105 x 45 x 16.5 mm)	4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm)	5.66" x 2.77" x 0.37" (144 x 70 x 9.4 mm)
Form Factor	Slab	Slab	Slide	Slide	Slab
Platform / OS	Windows	(proprietary)	(proprietary)	(proprietary)	Android
Network Bands	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 1900	GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	4G LTE: 4, 13 CDMA: 850, 1900
Data Technology	HSPA+ 21	1xRTT	EDGE	EDGE	LTE (Cat 3)
Features
GPS / Location	n/a	Yes	-	-	n/a
Accessibility
Adjustable Text Size	n/a	-	-	Yes	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
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	-	-	n/a
NFC	-	-	-	-	Yes
USB	Yes	-	Yes Mini-USB	Yes	Yes Micro-USB
Wi-Fi	Yes	-	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	-	Yes	Yes	n/a
Ringer ID	n/a	Yes	Yes	Yes	n/a
Voice Dialing	n/a	-	Yes	-	n/a
Customization
Custom Graphics	n/a	Yes	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	-	Yes	Yes	n/a
Data & Network
Data Tethering	n/a	-	Yes	-	n/a
External Antenna Jack	n/a	Yes	-	-	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	-	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	Yes
Messaging
Email Client	n/a	-	Yes *	Yes	n/a
EMS / Picture Messaging	n/a	-	Yes	-	n/a
Instant Messaging	n/a	-	Yes	Yes	n/a
MMS	n/a	-	Yes	Yes	n/a
Text Messaging Templates	n/a	Yes	Yes	-	n/a
Music
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	-	Yes	Yes	n/a
Stereo Speakers	-	-	-	-	Yes
Photo & Video
DLNA	-	-	-	-	Yes
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	-	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	-	-	Yes	n/a
Voice Memo	n/a	-	Yes	-	n/a
Software
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	Yes	Yes	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	-	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia Lumia 521 / 520	UTStarcom Slice PCS-1400	Motorola RIZR Z3	Motorola Sidekick Slide	HTC Desire 612 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Nokia Lumia 521 / 520	UTStarcom Slice PCS-1400	Motorola RIZR Z3	Motorola Sidekick Slide	HTC Desire 612 (CDMA)