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Phone	Samsung SCH-A990	Samsung SCH-A645	Huawei W1	ZTE Flash	LG K30 2018 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4" diag. 5 : 3	4.5" diag. 16 : 9	5.3" diag. 16 : 9
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	1,000 mAh	1,000 mAh	1,950 mAh	1,780 mAh	2,880 mAh
Processor	?	?	1.2 GHz Qualcomm Snapdragon 400 MSM8230	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)
RAM	?	?	512 MB	1 GB	2 GB
Storage	? raw hardware	? raw hardware	4 GB	8 GB	32 GB *
Main Camera	3 megapixel	-	5 megapixel	12 megapixel	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	720p HD	1080p HD	1080p HD
Front Camera	-	-	Yes	1 megapixel	5 megapixel
Weight	4.4 oz (125g)	3.2 oz (91g)	4.41 oz (125g)	5.2 oz (147g)	5.93 oz (168g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)	5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm)	5.85" x 2.95" x 0.34" (149 x 75 x 8.6 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Windows	Android	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	4G LTE: 25 CDMA: 800, 850, 1900	4G LTE: 2, 4, 5, 7, 12, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	EVDO r0	1xRTT	HSPA+ 21	LTE (Cat 3)	LTE (Cat 4)
Features
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	Yes	-	-	-	Yes
GPS / Location	Yes	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes	-	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	-	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	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	Yes *	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	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	Yes	Yes	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	Yes	-	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	Yes	-	n/a	n/a	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
TV Output	Yes	-	-	-	-
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
BREW	Yes	Yes *	n/a	n/a	n/a
Games	Yes	Yes *	n/a	n/a	n/a
Voice
HD Voice	-	-	-	Yes	Yes
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SCH-A990	Samsung SCH-A645	Huawei W1	ZTE Flash	LG K30 2018 (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A990	Samsung SCH-A645	Huawei W1	ZTE Flash	LG K30 2018 (GSM)