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Phone	Samsung Transform Ultra	ZTE Blade Z Max	Samsung SGH-E635 / SGH-E630	ZTE Blade X Max	Samsung SCH-A990
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	6" diag. 16 : 9	?	6" diag. 16 : 9	?
Display Resolution & Type	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	60 Hz	?
Battery	1,500 mAh	4,080 mAh	800 mAh	3,400 mAh	1,000 mAh
Processor	1 GHz Qualcomm Snapdragon S2 MSM8655	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)	?	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)	?
RAM	?	2 GB	?	2 GB	?
Storage	? raw hardware	32 GB	? raw hardware	32 GB	? raw hardware
Main Camera	3 megapixel	16 megapixel	Yes	13 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	1080p HD	-	1080p HD	?
Front Camera	Yes	8 megapixel	-	5 megapixel	-
Weight	4.9 oz (139g)	6.58 oz (186g)	2.78 oz (79g)	6.93 oz (196g)	4.4 oz (125g)
Dimensions	4.5" x 2.4" x 0.55" (114 x 61 x 14 mm)	6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)	3.34" x 1.69" x 0.85" (85 x 43 x 21.6 mm)	6.5" x 3.27" x 0.37" (165 x 83 x 9.4 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)
Form Factor	Slide	Slab	Slide	Slab	Clamshell
Platform / OS	Android	Android	(proprietary)	Android	(proprietary)
Network Bands	CDMA: 800, 850, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 1800, 1900 *	4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EVDO rA	LTE (Cat 6)	GPRS	LTE (Cat 4)	EVDO r0
Features
Fingerprint Reader	-	Yes stand-alone	-	Yes stand-alone	-
Flashlight	-	Yes	-	Yes	Yes
GPS / Location	n/a	n/a	-	n/a	Yes
Accessibility
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	n/a	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	n/a	-	n/a	-
USB	Yes	Yes USB Type C	-	Yes USB Type C	Yes
Wi-Fi	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	n/a	Yes	n/a	Yes
Ringer ID	n/a	n/a	Yes	n/a	Yes
Voice Dialing	n/a	n/a	-	n/a	Yes
Customization
Custom Graphics	n/a	n/a	Yes	n/a	Yes
Custom Ringtones	n/a	n/a	Yes	n/a	Yes
Real-Music Ringers	n/a	n/a	-	n/a	Yes
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	Yes
WAP / Web Browser	n/a	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes Capacitive	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	n/a	n/a	-	n/a	-
EMS / Picture Messaging	n/a	n/a	Yes	n/a	Yes
Instant Messaging	n/a	n/a	-	n/a	-
MMS	n/a	n/a	Yes	n/a	Yes
Text Messaging Templates	n/a	n/a	Yes	n/a	Yes
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	-
Music Player	n/a	n/a	-	n/a	Yes
Stereo Speakers	-	-	-	-	Yes
Photo & Video
TV Output	-	-	-	-	Yes
Power
Fast Charging	-	Yes	-	Yes	-
Productivity
Alarm	n/a	n/a	Yes	n/a	Yes
Calculator	n/a	n/a	Yes	n/a	Yes
Calendar	n/a	n/a	Yes	n/a	Yes
To-Do List	n/a	n/a	Yes	n/a	-
Voice Memo	n/a	n/a	Yes	n/a	Yes
Software
BREW	n/a	n/a	-	n/a	Yes
Games	n/a	n/a	Yes	n/a	Yes
Java (J2ME)	n/a	n/a	Yes	n/a	-
Voice
HD Voice	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Transform Ultra	ZTE Blade Z Max	Samsung SGH-E635 / SGH-E630	ZTE Blade X Max	Samsung SCH-A990
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Transform Ultra	ZTE Blade Z Max	Samsung SGH-E635 / SGH-E630	ZTE Blade X Max	Samsung SCH-A990