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Phone	ZTE Flash	Alcatel Idol	Ericsson T66	Samsung SGH-X640	BlackBerry Pearl 3G 9100 / 9105
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	4.7" diag. 16 : 9	?	?	2.3" diag. 1 : 1
Display Resolution & Type	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)	540 x 960 pixels (~234 ppi) LCD (TFT/TFD)	?	128 x 160 pixels LCD (TFT/TFD)	360 x 400 pixels (~238 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	?	?
Battery	1,780 mAh	1,800 mAh	?	800 mAh	1,150 mAh
Processor	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	1 GHz MediaTek 6577	?	?	?
RAM	1 GB	512 MB	?	?	?
Storage	8 GB	4 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	12 megapixel	8 megapixel	-	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	720p HD	-	-	?
Front Camera	1 megapixel	2 megapixel	-	-	-
Weight	5.2 oz (147g)	3.88 oz (110g)	2.08 oz (59g)	3 oz (85g)	3.3 oz (94g)
Dimensions	5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm)	5.24" x 2.66" x 0.31" (133 x 67 x 7.9 mm)	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.25" x 1.96" x 0.52" (108 x 50 x 13.2 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Android	Android	(proprietary)	(proprietary)	BlackBerry OS
Network Bands	4G LTE: 25 CDMA: 800, 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	GSM: 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	LTE (Cat 3)	HSPA 7.2	-	GPRS	HSDPA 3.6
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	n/a	-	-	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 M3 (mostly compatible)
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	-	-	-	-
Alerts
Ringer Profiles	-	-	Yes	-	Yes
Connectivity
Bluetooth	Yes	Yes	-	-	Yes
Mobile Hotspot	n/a	n/a	-	-	n/a
NFC	Yes	-	-	-	-
USB	Yes Micro-USB	Yes Micro-USB	-	-	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 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	-	-	n/a
Customization
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	-	-	n/a
Data & Network
Data Tethering	n/a	n/a	-	-	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes *
Touch Screen	Yes Capacitive	Yes Capacitive	-	-	-
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	n/a	n/a	-	-	n/a
EMS / Picture Messaging	n/a	n/a	Yes	Yes	n/a
Instant Messaging	n/a	n/a	-	-	n/a
MMS	n/a	n/a	-	Yes	n/a
Text Messaging Templates	n/a	n/a	Yes	Yes	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	-	-	Yes
Music Player	n/a	n/a	-	-	n/a
Photo & Video
DLNA	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	Yes	Yes	n/a
Voice Memo	n/a	n/a	-	Yes	n/a
Software
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	-	Yes	n/a
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	n/a	-	Yes	n/a
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	ZTE Flash	Alcatel Idol	Ericsson T66	Samsung SGH-X640	BlackBerry Pearl 3G 9100 / 9105
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Flash	Alcatel Idol	Ericsson T66	Samsung SGH-X640	BlackBerry Pearl 3G 9100 / 9105