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Phone	Ericsson T66	Samsung SCH-R410	BlackBerry 7750	Kyocera Brigadier	AT&T Vista
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	4.5" diag. 16 : 9	5.5" diag. 18 : 9
Display Resolution & Type	?	176 x 220 pixels LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	?	800 mAh	?	3,100 mAh	2,450 mAh
Processor	?	?	?	1.4 GHz Qualcomm Snapdragon 400 MSM8928	2 GHz MediaTek Helio A22 (MT6761V)
RAM	?	?	?	2 GB	3 GB
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB	32 GB
Main Camera	-	Yes	-	8 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	-	1080p HD	1080p HD
Front Camera	-	-	-	2 megapixel	5 megapixel
Weight	2.08 oz (59g)	3.4 oz (96g)	5.01 oz (142g)	6.6 oz (187g)	5.51 oz (156g)
Dimensions	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	3.9" x 1.9" x 0.57" (99 x 48 x 14.5 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	5.37" x 2.69" x 0.52" (136 x 68 x 13.2 mm)	5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	BlackBerry OS	Android	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8
Data Technology	-	1xRTT	1xRTT	LTE (Cat 3)	LTE (Cat 4)
Features
Flashlight	-	-	-	Yes	Yes
GPS / Location	-	Yes	n/a	n/a	n/a
Ruggedized	-	-	-	Yes	-
Water-Resistant	-	-	-	Yes IPX8 (SCUBA)	-
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Ringer Profiles	Yes	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	-	-	Yes	Yes Micro-USB	Yes USB Type C
Wi-Fi	-	-	-	Yes 5 (802.11 a,ac,b,g,n)	Yes
Contacts
Picture ID	-	Yes	n/a	n/a	n/a
Ringer ID	-	Yes	n/a	n/a	n/a
Voice Dialing	-	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	-	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	Yes	-	-
Touch Screen	-	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	-	Yes	Yes
Messaging
Email Client	-	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	-	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	-	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	-	-	n/a	n/a	n/a
Photo & Video
Miracast	-	-	-	Yes	-
Power
Wireless Charging	-	-	-	Yes	-
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	Yes	-	n/a	n/a	n/a
Voice Memo	-	Yes	n/a	n/a	n/a
Software
BREW	-	Yes	n/a	n/a	n/a
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	-	-	n/a	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	-	-	n/a	n/a	n/a
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	-	Yes	-	Yes	Yes
	Ericsson T66	Samsung SCH-R410	BlackBerry 7750	Kyocera Brigadier	AT&T Vista
	X >	< X >	< X >	< X >	< X

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


Phone	Ericsson T66	Samsung SCH-R410	BlackBerry 7750	Kyocera Brigadier	AT&T Vista