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Specifications
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Phone	Samsung Wafer R510	Motorola T720 / T721 (GSM)	Nokia Lumia 521 / 520	Sony Xperia ion	HP iPAQ Glisten
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.9" diag. 4 : 3	?	4" diag. 5 : 3	4.6" diag. 16 : 9	2.5" diag. 4 : 3
Display Resolution & Type	220 x 176 pixels (~148 ppi) LCD (TFT/TFD)	120 x 160 pixels LCD (STN)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~323 ppi) LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) AMOLED
Display Refresh	?	?	?	60 Hz	?
Battery	800 mAh	?	1,430 mAh	1,900 mAh	1,590 mAh
Processor	?	?	1 GHz Qualcomm Snapdragon S4 MSM8270	1.5 GHz Qualcomm Snapdragon S3 MSM8260	528 MHz Qualcomm MSM7200a (ARM11)
RAM	?	?	512 MB	1 GB	?
Storage	? raw hardware	? raw hardware	8 GB	16 GB	? raw hardware
Main Camera	1 megapixel	-	5 megapixel	12 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	720p HD	1080p HD	QVGA (320 x 240)
Front Camera	-	-	-	1 megapixel	-
Weight	2.47 oz (70g)	3.56 oz (101g)	4.39 oz (124g)	5.1 oz (145g)	5.29 oz (150g)
Dimensions	4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)	3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	5.2" x 2.7" x 0.4" (132 x 69 x 10.2 mm)	4.44" x 2.47" x 0.53" (113 x 63 x 13.4 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Windows	Android	Windows Mobile Professional
Network Bands	CDMA: 850, 1900	GSM: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 4, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	GPRS	HSPA+ 21	LTE (Cat 3)	HSDPA 3.6
Features
GPS / Location	Yes	-	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Extra Display	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	-	Yes	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes	Yes	Yes 802.11 b,g
Contacts
Picture ID	Yes	-	n/a	n/a	n/a
Ringer ID	-	Yes	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	Yes Resistive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	-	Yes	n/a	n/a	n/a
EMS / Picture Messaging	-	Yes	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	Yes	-	n/a	n/a	n/a
Text Messaging Templates	-	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	Yes	-	n/a	n/a	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
DLNA	-	-	-	Yes	-
TV Output	-	-	-	Yes	-
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	-	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
BREW	Yes	-	n/a	n/a	n/a
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	-	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	Samsung Wafer R510	Motorola T720 / T721 (GSM)	Nokia Lumia 521 / 520	Sony Xperia ion	HP iPAQ Glisten
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Wafer R510	Motorola T720 / T721 (GSM)	Nokia Lumia 521 / 520	Sony Xperia ion	HP iPAQ Glisten