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Phone	Samsung SGH-A157	Coolpad Quattro 4G	Motorola i450 / i455	Motorola V710	Motorola Electrify 2
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.8" diag. 4 : 3	4" diag. 5 : 3	?	?	4.3" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (STN)	176 x 220 pixels LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	800 mAh	1,600 mAh	?	?	1,780 mAh
Processor	?	?	?	?	?
RAM	?	?	?	?	1 GB
Storage	256 MB	512 MB	? raw hardware	? raw hardware	8 GB
Main Camera	-	3 megapixel	-	1 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	VGA (640 x 480)	-	?	1080p HD
Front Camera	-	Yes	-	-	Yes
Weight	2.99 oz (85g)	3.31 oz (94g)	4.5 oz (128g)	4.06 oz (115g)	4.59 oz (130g)
Dimensions	3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	3.5" x 2" x 1.1" (89 x 51 x 27.9 mm)	3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm)	5.06" x 2.59" x 0.33" (128 x 66 x 8.4 mm)
Form Factor	Clamshell	Slab	Clamshell	Clamshell	Slab
Platform / OS	(proprietary)	Android	(proprietary)	(proprietary)	Android
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900	iDEN: 800	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	?	LTE (Cat 3)	-	1xRTT	EVDO rA
Features
GPS / Location	Yes	n/a	Yes	Yes	n/a
Accessibility
Adjustable Text Size	Yes	n/a	-	-	n/a
Hearing Aid Compatible	Yes	Yes	Yes	Yes	Yes
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	Yes	-
Ringer Profiles	Yes	-	Yes	-	-
Connectivity
Bluetooth	-	Yes Classic Audio	-	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	n/a	-	-	n/a
USB	Yes Micro-USB	Yes	Yes	Yes *	Yes Micro-USB
Wi-Fi	-	Yes	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	Yes	n/a
Ringer ID	Yes	n/a	Yes	Yes	n/a
Voice Dialing	-	n/a	Yes	Yes	n/a
Customization
Custom Graphics	Yes	n/a	Yes	Yes	n/a
Custom Ringtones	Yes	n/a	Yes	Yes	n/a
Real-Music Ringers	Yes	n/a	Yes *	Yes	n/a
Data & Network
Data Tethering	-	n/a	Yes	Yes	n/a
WAP / Web Browser	Yes	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	Yes	n/a
Side Keys	-	Yes	Yes	Yes	Yes
Touch Screen	-	Yes	-	-	Yes
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	-	n/a	-	Yes *	n/a
EMS / Picture Messaging	-	n/a	-	Yes	n/a
Instant Messaging	-	n/a	-	-	n/a
MMS	Yes	n/a	Yes	Yes	n/a
Text Messaging Templates	Yes	n/a	Yes	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	-	Yes	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	-	Yes	n/a
Calculator	Yes	n/a	-	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	Yes	n/a	-	-	n/a
Voice Memo	Yes	n/a	Yes	Yes	n/a
Software
BREW	-	n/a	-	Yes	n/a
Games	-	n/a	Yes	Yes	n/a
Java (J2ME)	-	n/a	Yes	-	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	Yes	Yes	n/a
Push-To-Talk	-	-	Yes	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-A157	Coolpad Quattro 4G	Motorola i450 / i455	Motorola V710	Motorola Electrify 2
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A157	Coolpad Quattro 4G	Motorola i450 / i455	Motorola V710	Motorola Electrify 2