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Specifications
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Phone	ZTE Z331	Samsung SGH-X820	LG Optimus F7	BlackBerry 7100 / 7105	Sony Xperia ion
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	?	4.7" diag. 16 : 9	?	4.6" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels (~117 ppi) LCD (TFT/TFD)	220 x 176 pixels LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) LCD (TFT/TFD)	240 x 260 pixels LCD (Color)	720 x 1280 pixels (~323 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	950 mAh	650 mAh	2,540 mAh	?	1,900 mAh
Processor	?	?	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	?	1.5 GHz Qualcomm Snapdragon S3 MSM8260
RAM	?	?	1 GB	?	1 GB
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	16 GB
Main Camera	3 megapixel	2 megapixel	8 megapixel	-	12 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	?	1080p HD	-	1080p HD
Front Camera	-	-	1 megapixel	-	1 megapixel
Weight	4 oz (113g)	2.33 oz (66g)	4.7 oz (133g)	4.3 oz (122g)	5.1 oz (145g)
Dimensions	3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm)	4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm)	5.16" x 2.71" x 0.38" (131 x 69 x 9.7 mm)	4.7" x 2.3" x 0.7" (119 x 58 x 17.8 mm)	5.2" x 2.7" x 0.4" (132 x 69 x 10.2 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	BlackBerry OS	Android
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	4G LTE: 4, 5, 12, 25 CDMA: 850, 1700, 1900 *	GSM: 850, 900, 1800, 1900	4G LTE: 4, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 3.6	EDGE	LTE (Cat 3)	GPRS	LTE (Cat 3)
Features
GPS / Location	Yes	-	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes	-	Yes	-	Yes
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	Yes	-	-	Yes	-
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	Yes	-	-
USB	Yes Micro-USB	Yes	Yes	Yes	Yes
Wi-Fi	-	-	Yes 4 (802.11 a,b,g,n)	-	Yes
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	-	-	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	Yes	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	-	n/a	n/a	n/a
External Antenna Jack	-	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
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	Yes	-	Yes
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	Yes	Yes	n/a	n/a	n/a
EMS / Picture Messaging	-	Yes	n/a	n/a	n/a
Instant Messaging	Yes	-	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	Yes	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	Yes	-	Yes
Miracast	-	-	Yes	-	-
TV Output	-	Yes	Yes	-	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	-	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	-	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	ZTE Z331	Samsung SGH-X820	LG Optimus F7	BlackBerry 7100 / 7105	Sony Xperia ion
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z331	Samsung SGH-X820	LG Optimus F7	BlackBerry 7100 / 7105	Sony Xperia ion