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Specifications
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Phone	BlackBerry 7750	Samsung SPH/SCH-N300	Nokia Lumia 521 / 520	LG AX-490	HP iPAQ Glisten
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4" diag. 5 : 3	?	2.5" diag. 4 : 3
Display Resolution & Type	240 x 240 pixels LCD (Color)	128 x 64 pixels	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) AMOLED
Display Refresh	?	?	?	?	?
Battery	?	?	1,430 mAh	1,100 mAh	1,590 mAh
Processor	?	?	1 GHz Qualcomm Snapdragon S4 MSM8270	?	528 MHz Qualcomm MSM7200a (ARM11)
RAM	?	?	512 MB	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	-	-	5 megapixel	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	720p HD	-	QVGA (320 x 240)
Front Camera	-	-	-	-	-
Weight	5.01 oz (142g)	4.1 oz (116g)	4.39 oz (124g)	3.79 oz (107g)	5.29 oz (150g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.5" x 1.9" x 0.9" (114 x 48 x 22.9 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	3.74" x 1.92" x 1" (95 x 49 x 25.4 mm)	4.44" x 2.47" x 0.53" (113 x 63 x 13.4 mm)
Form Factor	Slab	Flip	Slab	Clamshell	Slab
Platform / OS	BlackBerry OS	(proprietary)	Windows	(proprietary)	Windows Mobile Professional
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	-	HSPA+ 21	1xRTT	HSDPA 3.6
Features
GPS / Location	n/a	Yes	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes M3, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	-	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	n/a	-	n/a
USB	Yes	-	Yes	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes	-	Yes 802.11 b,g
Contacts
Picture ID	n/a	-	n/a	Yes	n/a
Ringer ID	n/a	-	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Custom Graphics	n/a	-	n/a	Yes	n/a
Custom Ringtones	n/a	-	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	-	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	Yes
Touch Screen	-	-	Yes Capacitive	-	Yes Resistive
Memory
Memory Card Slot	-	-	Yes	-	Yes
Messaging
Email Client	n/a	-	n/a	-	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	-	n/a	Yes	n/a
Text Messaging Templates	n/a	-	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	n/a	-	n/a	-	n/a
Stereo Speakers	-	-	-	Yes	-
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	Yes	n/a	-	n/a
Voice Memo	n/a	-	n/a	Yes	n/a
Software
BREW	n/a	-	n/a	Yes	n/a
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	-	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	Yes	n/a
Speaker Phone	-	-	Yes	Yes	Yes
	BlackBerry 7750	Samsung SPH/SCH-N300	Nokia Lumia 521 / 520	LG AX-490	HP iPAQ Glisten
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Samsung SPH/SCH-N300	Nokia Lumia 521 / 520	LG AX-490	HP iPAQ Glisten