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Specifications
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Phone	BlackBerry 7750	Sony Ericsson Xperia Play 4G (GSM)	LG AX-490	Ericsson T66	AT&T Maestro 3
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 16 : 9	?	?	6.5" diag. 20 : 9
Display Resolution & Type	240 x 240 pixels LCD (Color)	480 x 854 pixels (~245 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	?	720 x 1600 pixels (~270 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	?	1,500 mAh	1,100 mAh	?	3,900 mAh
Processor	?	1 GHz Qualcomm Snapdragon S2 MSM8255	?	?	2 GHz MediaTek Helio A22 (MT6761)
RAM	?	?	?	?	3 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	32 GB
Main Camera	-	5 megapixel	Yes	-	13 megapixel
Wide Camera	-	-	-	-	5 megapixel
Tele Camera	-	-	-	-	-
Video Capture	-	WVGA / 480p	-	-	1080p HD
Front Camera	-	Yes	-	-	5 megapixel
Weight	5.01 oz (142g)	6.17 oz (175g)	3.79 oz (107g)	2.08 oz (59g)	6.24 oz (177g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.68" x 2.44" x 0.63" (119 x 62 x 16 mm)	3.74" x 1.92" x 1" (95 x 49 x 25.4 mm)	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	BlackBerry OS	Android	(proprietary)	(proprietary)	Android
Network Bands	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 14, 30
Data Technology	1xRTT	HSPA 7.2	1xRTT	-	LTE (Cat 4)
Features
Barometer	-	-	-	-	Yes
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	n/a	Yes	-	n/a
Accessibility
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	-
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	Yes	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	-	Yes
Mobile Hotspot	n/a	n/a	-	-	n/a
USB	Yes	Yes Micro-USB	Yes	-	Yes USB Type C
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	n/a	n/a	Yes	-	n/a
Ringer ID	n/a	n/a	Yes	-	n/a
Voice Dialing	n/a	n/a	Yes	-	n/a
Customization
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	Yes	-	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	-	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	-	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	-	Yes
Messaging
Email Client	n/a	n/a	-	-	n/a
EMS / Picture Messaging	n/a	n/a	-	Yes	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	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	n/a	n/a	-	-	n/a
Stereo Speakers	-	Yes	Yes	-	-
Photo & Video
DLNA	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	-	Yes	n/a
Voice Memo	n/a	n/a	Yes	-	n/a
Software
BREW	n/a	n/a	Yes	-	n/a
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	-	-	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	n/a	Yes	-	n/a
Speaker Phone	-	Yes	Yes	-	Yes
	BlackBerry 7750	Sony Ericsson Xperia Play 4G (GSM)	LG AX-490	Ericsson T66	AT&T Maestro 3
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Sony Ericsson Xperia Play 4G (GSM)	LG AX-490	Ericsson T66	AT&T Maestro 3