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Phone	Siemens M75	Samsung Wafer R510	Coolpad Defiant	Ericsson T66	BlackBerry 7750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Not yet released	Released	Released	Released	Released
Display Size	?	1.9" diag. 4 : 3	5" diag. 16 : 9	?	?
Display Resolution & Type	132 x 176 pixels LCD (TFT/TFD)	220 x 176 pixels (~148 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	?	240 x 240 pixels LCD (Color)
Display Refresh	?	?	60 Hz	?	?
Battery	750 mAh	800 mAh	2,450 mAh	?	?
Processor	?	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?	?
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	1 megapixel	1 megapixel	5 megapixel	-	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	720p HD	-	-
Front Camera	-	-	2 megapixel	-	-
Weight	3.88 oz (110g)	2.47 oz (70g)	6.5 oz (184g)	2.08 oz (59g)	5.01 oz (142g)
Dimensions	4.35" x 2.03" x 0.82" (110 x 52 x 20.8 mm)	4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	(proprietary)	BlackBerry OS
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900
Data Technology	GPRS	EVDO r0	LTE (Cat 4)	-	1xRTT
Features
Flashlight	-	-	Yes	-	-
GPS / Location	-	Yes	n/a	-	n/a
Ruggedized	Yes	-	-	-	-
Accessibility
Hearing Aid Compatible	-	Yes	Yes	-	-
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Ringer Profiles	Yes	-	-	Yes	Yes
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-	-
Infrared (IR)	Yes	-	-	-	-
USB	Yes	-	Yes Micro-USB	-	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	Yes	Yes	n/a	-	n/a
Ringer ID	Yes	-	n/a	-	n/a
Voice Dialing	-	Yes	n/a	-	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	-	n/a	-	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	Yes	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	Yes	-	n/a	-	n/a
EMS / Picture Messaging	Yes	-	n/a	Yes	n/a
MMS	Yes	Yes	n/a	-	n/a
Text Messaging Templates	-	-	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	Yes	Yes	n/a	-	n/a
Stereo Speakers	-	Yes	-	-	-
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	Yes	-	n/a	Yes	n/a
Voice Memo	Yes	Yes	n/a	-	n/a
Software
BREW	-	Yes	n/a	-	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	-	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	-	-	n/a	-	n/a
Push-To-Talk	Yes	-	-	-	-
Speaker Phone	Yes	Yes	Yes	-	-
	Siemens M75	Samsung Wafer R510	Coolpad Defiant	Ericsson T66	BlackBerry 7750
	X >	< X >	< X >	< X >	< X

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


Phone	Siemens M75	Samsung Wafer R510	Coolpad Defiant	Ericsson T66	BlackBerry 7750