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Phone	Nokia N78	Samsung Convoy 3	HTC Desire 555	Samsung Jack i637	Motorola V878
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	2.4" diag. 4 : 3	5" diag. 16 : 9	2.4" diag. 4 : 3	?
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~294 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	1,200 mAh	1,300 mAh	2,200 mAh	1,480 mAh	?
Processor	369 MHz ARM 11	480 MHz Qualcomm QSC6185	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	?
RAM	?	256 MB	2 GB	?	?
Storage	? raw hardware	512 MB	16 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	3 megapixel	8 megapixel	3 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	QVGA (320 x 240)	720p HD	?	?
Front Camera	-	-	5 megapixel	-	-
Weight	3.59 oz (102g)	4.4 oz (125g)	4.93 oz (140g)	3.6 oz (102g)	2.82 oz (80g)
Dimensions	4.45" x 1.93" x 0.59" (113 x 49 x 15.1 mm)	4.07" x 2.04" x 0.82" (103 x 52 x 20.8 mm)	5.78" x 2.79" x 0.33" (147 x 71 x 8.4 mm)	4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm)	3.23" x 1.65" x 0.85" (82 x 42 x 21.6 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Clamshell
Platform / OS	S60 (Symbian)	(proprietary)	Android	Windows Mobile Standard	(proprietary)
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900
Data Technology	HSDPA 3.6	EVDO rA	LTE (Cat 4)	HSDPA 3.6	GPRS
Features
Flashlight	-	Yes	Yes	-	-
GPS / Location	n/a	Yes	n/a	n/a	-
Ruggedized	-	Yes	-	-	-
Accessibility
Adjustable Text Size	n/a	Yes	n/a	n/a	-
Hearing Aid Compatible	-	Yes	Yes *	Yes	-
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	-	-
Alerts
Extra Display	-	Yes	-	-	Yes
Ringer Profiles	Yes	-	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	Yes
Ringer ID	n/a	Yes	n/a	n/a	Yes
Voice Dialing	n/a	Yes	n/a	n/a	Yes
Customization
Custom Graphics	n/a	Yes	n/a	n/a	Yes
Custom Ringtones	n/a	Yes	n/a	n/a	Yes
Real-Music Ringers	n/a	Yes	n/a	n/a	-
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	Yes
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	Yes	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	n/a	Yes	n/a	n/a	-
EMS / Picture Messaging	n/a	-	n/a	n/a	Yes
Instant Messaging	n/a	-	n/a	n/a	-
MMS	n/a	Yes	n/a	n/a	Yes
Text Messaging Templates	n/a	Yes	n/a	n/a	-
Music
FM Radio	Yes	-	Yes	-	-
FM Transmitter	n/a	-	n/a	n/a	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	Yes	n/a	n/a	-
Stereo Speakers	Yes	Yes	-	-	-
Photo & Video
DLNA	-	-	Yes	-	-
Miracast	-	-	Yes	-	-
TV Output	Yes	-	-	-	-
Video Calling	n/a	-	n/a	n/a	-
Productivity
Alarm	n/a	Yes	n/a	n/a	Yes
Calculator	n/a	Yes	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
To-Do List	n/a	-	n/a	n/a	-
Voice Memo	n/a	Yes	n/a	n/a	Yes
Software
BREW	n/a	Yes	n/a	n/a	-
Games	n/a	Yes	n/a	n/a	Yes
Java (J2ME)	n/a	-	n/a	n/a	Yes
Voice
HD Voice	-	-	Yes	-	-
Push-To-Talk	Yes *	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Nokia N78	Samsung Convoy 3	HTC Desire 555	Samsung Jack i637	Motorola V878
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia N78	Samsung Convoy 3	HTC Desire 555	Samsung Jack i637	Motorola V878