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Phone	Samsung SGH-A657	Motorola i275	ZTE Blade Vantage	ZTE ZMAX Pro	Pantech Matrix Pro C820
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5" diag. 16 : 9	6" diag. 16 : 9	2.4" diag. 4 : 3
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	128 x 128 pixels LCD (Color)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	1,420 mAh	750 mAh	2,500 mAh	3,400 mAh	1,320 mAh
Processor	?	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	1.5 GHz Qualcomm Snapdragon 617 (MSM8952)	528 MHz ARM 11
RAM	?	?	2 GB	2 GB	?
Storage	? raw hardware	? raw hardware	16 GB	32 GB	? raw hardware
Main Camera	-	Yes	8 megapixel	13 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	720p HD	1080p HD	QCIF (176 x 144)
Front Camera	-	-	2 megapixel	5 megapixel	-
Weight	4.34 oz (123g)	4.6 oz (130g)	5.29 oz (150g)	6.17 oz (175g)	5.34 oz (151g)
Dimensions	4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm)	4.8" x 1.93" x 0.98" (122 x 49 x 24.9 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	6.5" x 3.3" x 0.35" (165 x 84 x 8.9 mm)	4.2" x 2" x 0.9" (107 x 51 x 22.9 mm)
Form Factor	Slab	Slab	Slab	Slab	Slide
Platform / OS	(proprietary)	(proprietary)	Android	Android	Windows Mobile Standard
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	iDEN: 800	4G LTE: 2, 4, 5, 13	4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 3.6	-	LTE (Cat 4)	LTE (Cat 4)	HSDPA 3.6
Features
Fingerprint Reader	-	-	-	Yes	-
Flashlight	Yes	-	Yes	Yes	-
GPS / Location	Yes	Yes	n/a	n/a	n/a
Ruggedized	Yes	-	-	-	-
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes	Yes	-
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes Classic Audio	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	Yes	-	Yes Micro-USB	Yes USB Type C	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	-	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	-	Yes	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	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	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	Yes
Messaging
Email Client	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
Miracast	-	-	-	Yes	-
Productivity
Alarm	Yes	-	n/a	n/a	n/a
Calculator	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
HD Voice	-	-	Yes	Yes	-
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	n/a
Push-To-Talk	Yes	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-A657	Motorola i275	ZTE Blade Vantage	ZTE ZMAX Pro	Pantech Matrix Pro C820
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A657	Motorola i275	ZTE Blade Vantage	ZTE ZMAX Pro	Pantech Matrix Pro C820