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Phone	ZTE Speed	Samsung SGH-X640	Motorola V551 / V330 / V547 / V555 / V557	BlackBerry Pearl Flip 8220	UTStarcom PPC-6700 / XV-6700 / HTC Apache
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	?	?	?
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	2,000 mAh	800 mAh	820 mAh	?	1,350 mAh
Processor	1.2 GHz Qualcomm Snapdragon 410 MSM8916	?	?	?	416 MHz Intel
RAM	1 GB	?	?	?	?
Storage	8 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	Yes	Yes	2 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	?	?	?
Front Camera	2 megapixel	-	-	-	-
Weight	4.8 oz (136g)	3 oz (85g)	4.23 oz (120g)	3.6 oz (102g)	6.07 oz (172g)
Dimensions	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	3.98" x 1.97" x 0.69" (101 x 50 x 17.5 mm)	4.25" x 2.32" x 0.93" (108 x 59 x 23.6 mm)
Form Factor	Slab	Clamshell	Clamshell	Clamshell	Slide
Platform / OS	Android	(proprietary)	(proprietary)	BlackBerry OS	Windows Mobile Professional
Network Bands	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	GSM: 900, 1800, 1900	GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	GPRS	EDGE	EDGE	EVDO r0
Features
GPS / Location	n/a	-	-	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	-	Yes M3, T4 (very tele-coil compatible)	-
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	Yes	-
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	-	-	n/a	n/a
USB	Yes Micro-USB	-	Yes	Yes Micro-USB	Yes Mini-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes	Yes
Contacts
Picture ID	n/a	Yes	Yes	n/a	n/a
Ringer ID	n/a	Yes	Yes	n/a	n/a
Voice Dialing	n/a	-	Yes	n/a	n/a
Customization
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	-	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	-	Yes	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	Yes
Touch Screen	Yes Capacitive	-	-	-	Yes
Memory
Memory Card Slot	Yes	-	-	Yes	Yes
Messaging
Email Client	n/a	-	Yes	n/a	n/a
EMS / Picture Messaging	n/a	Yes	Yes	n/a	n/a
Instant Messaging	n/a	-	Yes	n/a	n/a
MMS	n/a	Yes	Yes	n/a	n/a
Text Messaging Templates	n/a	Yes	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	-	-	n/a	n/a
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	Yes	-	n/a	n/a
Voice Memo	n/a	Yes	Yes	n/a	n/a
Software
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	Yes	Yes	n/a	n/a
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	Yes	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Speed	Samsung SGH-X640	Motorola V551 / V330 / V547 / V555 / V557	BlackBerry Pearl Flip 8220	UTStarcom PPC-6700 / XV-6700 / HTC Apache
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Speed	Samsung SGH-X640	Motorola V551 / V330 / V547 / V555 / V557	BlackBerry Pearl Flip 8220	UTStarcom PPC-6700 / XV-6700 / HTC Apache