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Phone	ZTE Z331	Samsung Intrepid SPH-i350	Samsung SGH-X640	ZTE Speed	LG K30 2018 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	2.5" diag. 4 : 3	?	4.5" diag. 16 : 9	5.3" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels (~117 ppi) LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	950 mAh	1,480 mAh	800 mAh	2,000 mAh	2,880 mAh
Processor	?	Qualcomm MSM7600	?	1.2 GHz Qualcomm Snapdragon 410 MSM8916	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)
RAM	?	?	?	1 GB	2 GB
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	32 GB *
Main Camera	3 megapixel	3 megapixel	Yes	5 megapixel	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	QVGA (320 x 240)	-	720p HD	1080p HD
Front Camera	-	-	-	2 megapixel	5 megapixel
Weight	4 oz (113g)	4 oz (113g)	3 oz (85g)	4.8 oz (136g)	5.93 oz (168g)
Dimensions	3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm)	4.6" x 2.59" x 0.51" (117 x 66 x 13 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	5.85" x 2.95" x 0.34" (149 x 75 x 8.6 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Windows Mobile Professional	(proprietary)	Android	Android
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	4G LTE: 2, 4, 5, 7, 12, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	HSDPA 3.6	EVDO rA	GPRS	LTE (Cat 3)	LTE (Cat 4)
Features
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	n/a	-	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	Yes Micro-USB	Yes Micro-USB	-	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	-	n/a	-	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	Yes	n/a	-	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	-	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
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	Yes
Messaging
Email Client	Yes	n/a	-	n/a	n/a
EMS / Picture Messaging	-	n/a	Yes	n/a	n/a
Instant Messaging	Yes	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	Yes	n/a	-	n/a	n/a
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	-	n/a	Yes	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	Yes	n/a	n/a
Voice
HD Voice	-	-	-	Yes	Yes
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	ZTE Z331	Samsung Intrepid SPH-i350	Samsung SGH-X640	ZTE Speed	LG K30 2018 (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z331	Samsung Intrepid SPH-i350	Samsung SGH-X640	ZTE Speed	LG K30 2018 (GSM)