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Specifications
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Phone	Samsung Knack U310	Samsung Delve R800	ZTE Blade Z Max	Motorola Backflip	Motorola RAZR V3c
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	3" diag. 5 : 3	6" diag. 16 : 9	3.1" diag. 5 : 3	?
Display Resolution & Type	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	240 x 400 pixels (~154 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	1,000 mAh	1,000 mAh	4,080 mAh	1,400 mAh	740 mAh
Processor	?	?	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)	528 MHz Qualcomm MSM7201a	?
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	32 GB	? raw hardware	? raw hardware
Main Camera	-	2 megapixel	16 megapixel	5 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	1080p HD	CIF (352 x 288)	?
Front Camera	-	-	8 megapixel	-	-
Weight	3.63 oz (103g)	3.63 oz (103g)	6.58 oz (186g)	4.7 oz (133g)	3.49 oz (99g)
Dimensions	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.55" x 2.15" x 0.49" (116 x 55 x 12.4 mm)	6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Clamshell
Platform / OS	(proprietary)	(proprietary)	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	-	EVDO r0	LTE (Cat 6)	HSPA 7.2	EVDO r0
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	-	-
GPS / Location	Yes	Yes	n/a	n/a	Yes
Accessibility
Adjustable Text Size	Yes	-	n/a	n/a	-
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
USB	-	Yes	Yes USB Type C	Yes Micro-USB	Yes Mini-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-
Contacts
Picture ID	-	Yes	n/a	n/a	Yes
Ringer ID	-	Yes	n/a	n/a	Yes
Voice Dialing	Yes	Yes	n/a	n/a	Yes
Customization
Custom Graphics	-	Yes	n/a	n/a	Yes
Custom Ringtones	-	Yes	n/a	n/a	Yes
Real-Music Ringers	-	Yes	n/a	n/a	Yes
Data & Network
Data Tethering	-	Yes	n/a	n/a	Yes
WAP / Web Browser	-	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	Yes Resistive	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	-	Yes	n/a	n/a	-
EMS / Picture Messaging	Yes	-	n/a	n/a	Yes
Instant Messaging	-	-	n/a	n/a	-
MMS	-	Yes	n/a	n/a	Yes
Text Messaging Templates	-	Yes	n/a	n/a	Yes
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	-	Yes	n/a	n/a	-
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	Yes	Yes	n/a	n/a	Yes
Calculator	Yes	Yes	n/a	n/a	Yes
Calendar	Yes	Yes	n/a	n/a	Yes
Voice Memo	-	Yes	n/a	n/a	Yes
Software
BREW	-	Yes	n/a	n/a	Yes
Games	-	Yes	n/a	n/a	Yes
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Knack U310	Samsung Delve R800	ZTE Blade Z Max	Motorola Backflip	Motorola RAZR V3c
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Knack U310	Samsung Delve R800	ZTE Blade Z Max	Motorola Backflip	Motorola RAZR V3c