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Phone	Samsung SGH-X640	Alcatel Go Flip V	Alcatel Idol 4S	HTC Shadow	Motorola KRZR K1m
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Not yet released	Released	Released
Display Size	?	2.8" diag. 4 : 3	5.5" diag. 16 : 9	2.6" diag. 4 : 3	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	1440 x 2560 pixels (~534 ppi) AMOLED	240 x 320 pixels (~154 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	800 mAh	1,350 mAh	3,000 mAh	920 mAh	880 mAh
Processor	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	1.8 GHz Qualcomm Snapdragon 652 (MSM8976)	200 MHz OMAP 850	?
RAM	?	1 GB	3 GB	?	?
Storage	? raw hardware	8 GB	32 GB	? raw hardware	? raw hardware
Main Camera	Yes	2 megapixel	16 megapixel	2 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	VGA (640 x 480)	4K UHD	?	?
Front Camera	-	-	8 megapixel	-	-
Weight	3 oz (85g)	4.16 oz (118g)	5.26 oz (149g)	5.29 oz (150g)	3.63 oz (103g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.13" x 2.08" x 0.74" (105 x 53 x 18.7 mm)	6.06" x 2.97" x 0.28" (154 x 75 x 7 mm)	4.06" x 2.09" x 0.59" (103 x 53 x 15 mm)	4.06" x 1.73" x 0.67" (103 x 44 x 17 mm)
Form Factor	Clamshell	Clamshell	Slab	Slide	Clamshell
Platform / OS	(proprietary)	(proprietary)	Android	Windows Mobile Standard	(proprietary)
Network Bands	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 13 WCDMA: 2, 4, 5 GSM: 850, 1900	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	GPRS	LTE (Cat 4)	LTE (Cat 4)	EDGE	EVDO r0
Features
Fingerprint Reader	-	-	Yes *	-	-
Flashlight	-	-	Yes	-	-
GPS / Location	-	Yes	n/a	n/a	Yes
Accessibility
Adjustable Text Size	-	Yes	n/a	n/a	-
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	Yes	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Extra Display	-	Yes	-	-	Yes
Ringer Profiles	-	-	-	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	Yes	n/a	n/a	-
NFC	-	-	Yes	-	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes Mini-USB	Yes Mini-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,b,g,n)	Yes 802.11 b,g	-
Contacts
Picture ID	Yes	Yes	n/a	n/a	Yes
Ringer ID	Yes	Yes	n/a	n/a	Yes
Voice Dialing	-	-	n/a	n/a	Yes
Customization
Custom Graphics	Yes	Yes	n/a	n/a	Yes
Custom Ringtones	Yes	-	n/a	n/a	Yes
Real-Music Ringers	-	Yes	n/a	n/a	-
Data & Network
Data Tethering	-	Yes	n/a	n/a	Yes
Dual-SIM	-	-	Yes *	-	-
WAP / Web Browser	Yes	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	Yes
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	-	Yes	n/a	n/a	-
EMS / Picture Messaging	Yes	-	n/a	n/a	Yes
Instant Messaging	-	-	n/a	n/a	Yes *
MMS	Yes	Yes	n/a	n/a	Yes
Text Messaging Templates	Yes	-	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	-	Yes	n/a	n/a	Yes
Stereo Speakers	-	-	Yes	-	-
Photo & Video
Miracast	-	-	Yes	-	-
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	Yes	Yes	n/a	n/a	Yes
Calculator	Yes	Yes	n/a	n/a	Yes
Calendar	Yes	Yes	n/a	n/a	Yes
To-Do List	Yes	-	n/a	n/a	-
Voice Memo	Yes	Yes	n/a	n/a	Yes
Software
BREW	-	-	n/a	n/a	Yes *
Games	Yes	-	n/a	n/a	Yes
Java (J2ME)	Yes	-	n/a	n/a	Yes *
Voice
HD Voice	-	Yes	Yes	-	-
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Alcatel Go Flip V	Alcatel Idol 4S	HTC Shadow	Motorola KRZR K1m
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Alcatel Go Flip V	Alcatel Idol 4S	HTC Shadow	Motorola KRZR K1m