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Phone	Pantech Flex	Motorola V551 / V330 / V547 / V555 / V557	Sony Ericsson Z550a	Samsung SGH-A727	Pantech Matrix Pro C820
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 16 : 9	?	1.9" diag. 4 : 3	?	2.4" diag. 4 : 3
Display Resolution & Type	540 x 960 pixels (~256 ppi) AMOLED	176 x 220 pixels LCD (TFT/TFD)	176 x 220 pixels (~148 ppi) LCD (TFT/TFD)	220 x 176 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,830 mAh	820 mAh	?	?	1,320 mAh
Processor	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	?	?	?	528 MHz ARM 11
RAM	1 GB	?	?	?	?
Storage	8 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	8 megapixel	Yes	1 megapixel	1 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	?	?	QCIF (176 x 144)	QCIF (176 x 144)
Front Camera	2 megapixel	-	-	-	-
Weight	4.66 oz (132g)	4.23 oz (120g)	3.26 oz (92g)	2.82 oz (80g)	5.34 oz (151g)
Dimensions	5.11" x 2.63" x 0.31" (130 x 67 x 7.9 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm)	4.51" x 2.01" x 0.35" (115 x 51 x 8.9 mm)	4.2" x 2" x 0.9" (107 x 51 x 22.9 mm)
Form Factor	Slab	Clamshell	Clamshell	Slab	Slide
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	Windows Mobile Standard
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	EDGE	GPRS	HSDPA 1.8	HSDPA 3.6
Features
GPS / Location	n/a	-	-	-	n/a
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	-	-	-
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	Yes	-	-
Ringer Profiles	-	Yes	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	-	-	-	n/a
USB	Yes Micro-USB	Yes	Yes	Yes	Yes
Wi-Fi	Yes	-	-	-	-
Contacts
Picture ID	n/a	Yes	Yes	Yes	n/a
Ringer ID	n/a	Yes	Yes	Yes	n/a
Voice Dialing	n/a	Yes	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	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	Yes	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes Capacitive	-	-	-	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	Yes	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	Yes	n/a
Text Messaging Templates	n/a	Yes	Yes	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	-	-	-	-
Music Player	n/a	-	Yes	Yes	n/a
Photo & Video
DLNA	Yes	-	-	-	-
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	-	Yes	Yes	n/a
Voice Memo	n/a	Yes	Yes	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	-	-	n/a
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Pantech Flex	Motorola V551 / V330 / V547 / V555 / V557	Sony Ericsson Z550a	Samsung SGH-A727	Pantech Matrix Pro C820
	X >	< X >	< X >	< X >	< X

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


Phone	Pantech Flex	Motorola V551 / V330 / V547 / V555 / V557	Sony Ericsson Z550a	Samsung SGH-A727	Pantech Matrix Pro C820