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Phone	ZTE Savvy	BlackBerry 7750	Audiovox CDM-8615 / Vox 8610	Samsung SGH-X640	LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	?	?	?	6.1" diag. 19.5 : 9
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	128 x 160 pixels LCD (STN)	128 x 160 pixels LCD (TFT/TFD)	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	1,650 mAh	?	970 mAh	800 mAh	3,500 mAh
Processor	1 GHz Qualcomm MSM8625	?	?	?	2 GHz MediaTek Helio P22 (MT6762)
RAM	768 MB	?	?	?	3 GB *
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	32 GB
Main Camera	5 megapixel	-	-	Yes	13 megapixel
Wide Camera	-	-	-	-	5 megapixel
Tele Camera	-	-	-	-	-
Video Capture	WVGA / 480p	-	-	-	1080p HD
Front Camera	-	-	-	-	8 megapixel
Weight	4.43 oz (126g)	5.01 oz (142g)	3.4 oz (96g)	3 oz (85g)	6.1 oz (173g)
Dimensions	4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	6.15" x 2.92" x 0.34" (156 x 74 x 8.6 mm)
Form Factor	Slab	Slab	Clamshell	Clamshell	Slab
Platform / OS	Android	BlackBerry OS	(proprietary)	(proprietary)	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 1900 *	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 *
Data Technology	EVDO rA	1xRTT	1xRTT	GPRS	LTE (Cat 6)
Features
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	Yes	-	-	-	Yes
GPS / Location	n/a	n/a	Yes	-	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	-	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	-	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	-	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	-	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	-	-	Yes
USB	Yes Micro-USB	Yes	Yes	-	Yes USB Type C
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	n/a	n/a	-	Yes	n/a
Ringer ID	n/a	n/a	Yes	Yes	n/a
Voice Dialing	n/a	n/a	Yes *	-	n/a
Customization
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	-	-	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	-	n/a
External Antenna Jack	n/a	n/a	Yes	-	n/a
WAP / Web Browser	n/a	n/a	Yes *	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	n/a
Side Keys	Yes	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	n/a	-	Yes	n/a
Instant Messaging	n/a	n/a	-	-	n/a
MMS	n/a	n/a	-	Yes	n/a
Text Messaging Templates	n/a	n/a	Yes	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	n/a	-	-	n/a
Photo & Video
DLNA	Yes	-	-	-	-
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	-	Yes	n/a
Voice Memo	n/a	n/a	-	Yes	n/a
Software
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	-	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	n/a	Yes	Yes	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	ZTE Savvy	BlackBerry 7750	Audiovox CDM-8615 / Vox 8610	Samsung SGH-X640	LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Savvy	BlackBerry 7750	Audiovox CDM-8615 / Vox 8610	Samsung SGH-X640	LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus