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Phone	HTC ThunderBolt	Samsung Instinct S30	Samsung Zeal / Alias 2 SCH-U750	TCL A30 / A3	BlackBerry 8820
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	3.2" diag. 16 : 9	2.6" diag. 4 : 3	5.5" diag. 18 : 9	?
Display Resolution & Type	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	240 x 432 pixels (~154 ppi) LCD (TFT/TFD)	240 x 320 pixels (~154 ppi) LCD (TFT/TFD)	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,400 mAh	1,000 mAh	880 mAh	3,000 mAh	1,400 mAh
Processor	1 GHz Qualcomm Snapdragon S2 MSM8655	?	?	2 GHz MediaTek Helio P22 (MT6762V)	?
RAM	768 MB	?	?	3 GB	?
Storage	8 GB	? raw hardware	? raw hardware	32 GB	? raw hardware
Main Camera	8 megapixel	2 megapixel	2 megapixel	8 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	QCIF (176 x 144)	1080p HD	-
Front Camera	1 megapixel	-	-	5 megapixel	-
Weight	5.78 oz (164g)	3.88 oz (110g)	4.34 oz (123g)	6.03 oz (171g)	4.73 oz (134g)
Dimensions	4.8" x 2.6" x 0.52" (122 x 66 x 13.2 mm)	4.61" x 2.16" x 0.52" (117 x 55 x 13.2 mm)	4.01" x 2.04" x 0.67" (102 x 52 x 17 mm)	5.74" x 2.8" x 0.39" (146 x 71 x 9.9 mm)	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	Android	(proprietary)	(proprietary)	Android	BlackBerry OS
Network Bands	4G LTE: 13 CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	EVDO r0	EVDO r0	LTE (Cat 4)	EDGE
Features
Flashlight	Yes	-	-	Yes	-
GPS / Location	n/a	Yes	Yes	n/a	n/a
Water-Resistant	-	-	-	Yes IPX2 (drip)	-
Accessibility
Adjustable Text Size	n/a	-	Yes	n/a	n/a
Hearing Aid Compatible	Yes	Yes M4, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	-	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	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 4 (802.11 b,g,n)	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	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	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	-	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	Yes Capacitive	Yes	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	Yes	Yes	n/a	n/a
Instant Messaging	n/a	Yes	Yes	n/a	n/a
MMS	n/a	-	Yes	n/a	n/a
Text Messaging Templates	n/a	-	Yes	n/a	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	-
Music Player	n/a	Yes	Yes	n/a	n/a
Photo & Video
DLNA	Yes	-	-	-	-
Video Calling	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
Voice Memo	n/a	-	Yes	n/a	n/a
Software
BREW	n/a	-	Yes	n/a	n/a
Games	n/a	Yes	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	n/a	n/a
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	HTC ThunderBolt	Samsung Instinct S30	Samsung Zeal / Alias 2 SCH-U750	TCL A30 / A3	BlackBerry 8820
	X >	< X >	< X >	< X >	< X

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


Phone	HTC ThunderBolt	Samsung Instinct S30	Samsung Zeal / Alias 2 SCH-U750	TCL A30 / A3	BlackBerry 8820