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Phone	HTC ThunderBolt	Cal-Comp EZ	Samsung SGH-E400	BlackBerry 8703e	Cricket Debut S2 / AT&T Calypso 4
Current U.S. Carriers	(none)	(none)	(none)	(none)	AT&T
Global Availability	Released	Released	Not yet released	Released	Released
Display Size	4.3" diag. 5 : 3	?	?	?	6.1" diag. 19.5 : 9
Display Resolution & Type	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	128 x 144 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	1,400 mAh	800 mAh	700 mAh	1,100 mAh	3,000 mAh
Processor	1 GHz Qualcomm Snapdragon S2 MSM8655	?	?	?	2 GHz MediaTek Helio A22 (MT6761WB)
RAM	768 MB	?	?	?	3 GB
Storage	8 GB	? raw hardware	? raw hardware	? raw hardware	64 GB
Main Camera	8 megapixel	-	-	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	-	-	?
Front Camera	1 megapixel	-	-	-	5 megapixel
Weight	5.78 oz (164g)	2.47 oz (70g)	3.1 oz (88g)	4.7 oz (133g)	5.64 oz (160g)
Dimensions	4.8" x 2.6" x 0.52" (122 x 66 x 13.2 mm)	4.04" x 1.71" x 0.63" (103 x 43 x 16 mm)	3.46" x 1.65" x 0.89" (88 x 42 x 22.6 mm)	4.3" x 2.7" x 0.8" (109 x 69 x 20.3 mm)	6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	Android	(proprietary)	(proprietary)	BlackBerry OS	Android
Network Bands	4G LTE: 13 CDMA: 850, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8
Data Technology	LTE (Cat 3)	1xRTT	GPRS	EVDO r0	LTE (Cat 4)
Features
Flashlight	Yes	-	-	-	Yes
GPS / Location	n/a	Yes	-	n/a	n/a
Accessibility
Hearing Aid Compatible	Yes	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	-	Yes	-
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	-	-	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	-	-	n/a	n/a
USB	Yes Micro-USB	Yes Mini-USB	-	Yes	Yes USB Type C
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	n/a	-	-	n/a	n/a
Ringer ID	n/a	-	-	n/a	n/a
Voice Dialing	n/a	-	-	n/a	n/a
Customization
Custom Graphics	n/a	-	Yes	n/a	n/a
Custom Ringtones	n/a	-	Yes	n/a	n/a
Real-Music Ringers	n/a	-	-	n/a	n/a
Data & Network
Data Tethering	n/a	-	Yes	n/a	n/a
WAP / Web Browser	n/a	-	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	-	Yes	n/a	n/a
Side Keys	Yes	-	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	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	n/a	-	Yes	n/a	n/a
Instant Messaging	n/a	-	-	n/a	n/a
MMS	n/a	-	-	n/a	n/a
Text Messaging Templates	n/a	Yes	Yes	n/a	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	-	-	n/a	n/a
Photo & Video
DLNA	Yes	-	-	-	-
Video Calling	n/a	-	-	n/a	n/a
Power
Fast Charging	-	-	-	-	Yes
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	Yes	n/a	n/a
Voice Memo	n/a	Yes *	-	n/a	n/a
Software
Games	n/a	-	Yes	n/a	n/a
Java (J2ME)	n/a	-	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
	* Some versions only
	HTC ThunderBolt	Cal-Comp EZ	Samsung SGH-E400	BlackBerry 8703e	Cricket Debut S2 / AT&T Calypso 4
	X >	< X >	< X >	< X >	< X

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


Phone	HTC ThunderBolt	Cal-Comp EZ	Samsung SGH-E400	BlackBerry 8703e	Cricket Debut S2 / AT&T Calypso 4