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Phone	Samsung SGH-E400	Nokia N-Gage QD	Coolpad Conjr	Samsung SCH-A990	Samsung Galaxy Ring / Prevail 2
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Not yet released	Released	Released	Released	Released
Display Size	?	?	5" diag. 16 : 9	?	4" diag. 5 : 3
Display Resolution & Type	128 x 144 pixels LCD (TFT/TFD)	176 x 208 pixels LCD (Color)	720 x 1280 pixels (~294 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	700 mAh	1,070 mAh	2,500 mAh	1,000 mAh	1,750 mAh
Processor	?	?	1 GHz MediaTek MT6735	?	1.4 GHz Qualcomm Snapdragon S2 MSM8655
RAM	?	?	3 GB	?	1 GB
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	4 GB
Main Camera	-	-	13 megapixel	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	1080p HD	?	720p HD
Front Camera	-	-	8 megapixel	-	1 megapixel
Weight	3.1 oz (88g)	5.04 oz (143g)	5.14 oz (146g)	4.4 oz (125g)	3.4 oz (96g)
Dimensions	3.46" x 1.65" x 0.89" (88 x 42 x 22.6 mm)	4.65" x 2.68" x 0.87" (118 x 68 x 22.1 mm)	5.72" x 2.86" x 0.35" (145 x 73 x 8.8 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	S60 (Symbian)	Android	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	GSM: 850, 1900 *	4G LTE: 2, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 800, 850, 1900
Data Technology	GPRS	GPRS	LTE (Cat 4)	EVDO r0	EVDO rA
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	Yes	-
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4 (very compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
USB	-	-	Yes Micro-USB	Yes	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 a,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	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	Yes	n/a
Dual-SIM	-	-	Yes	-	-
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	-	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	-	n/a
EMS / Picture Messaging	Yes	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	Yes	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	n/a	n/a	Yes	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	-	n/a	n/a	Yes	n/a
Software
BREW	-	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	-	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	Samsung SGH-E400	Nokia N-Gage QD	Coolpad Conjr	Samsung SCH-A990	Samsung Galaxy Ring / Prevail 2
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-E400	Nokia N-Gage QD	Coolpad Conjr	Samsung SCH-A990	Samsung Galaxy Ring / Prevail 2