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Phone	Cal-Comp EZ	ZTE Blade X1 5G	Samsung Jack i637	HTC Desire 520	Samsung SCH-A530
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	6.5" diag. 19.5 : 9	2.4" diag. 4 : 3	4.5" diag. 16 : 9	?
Display Resolution & Type	128 x 128 pixels LCD (STN)	1080 x 2340 pixels (~396 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	800 mAh	4,000 mAh	1,480 mAh	2,000 mAh	?
Processor	?	2.4 GHz Qualcomm Snapdragon 765G	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?
RAM	?	6 GB	?	1 GB	?
Storage	? raw hardware	128 GB	? raw hardware	8 GB	? raw hardware
Main Camera	-	48 megapixel	3 megapixel	8 megapixel	-
Wide Camera	-	8 megapixel	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	4K UHD	?	720p HD	-
Front Camera	-	16 megapixel	-	2 megapixel	-
Weight	2.47 oz (70g)	6.7 oz (190g)	3.6 oz (102g)	4.9 oz (139g)	3 oz (85g)
Dimensions	4.04" x 1.71" x 0.63" (103 x 43 x 16 mm)	6.46" x 2.99" x 0.36" (164 x 76 x 9.2 mm)	4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm)	5.5" x 2.71" x 0.36" (140 x 69 x 9 mm)	3.18" x 1.67" x 0.9" (81 x 42 x 22.9 mm)
Form Factor	Slab	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Android	Windows Mobile Standard	Android	(proprietary)
Network Bands	CDMA: 850, 1900	5G: 2, 5, 66 4G LTE: 2, 4, 5, 12, 13, 66	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	NR (5G)	HSDPA 3.6	LTE (Cat 3)	1xRTT
Features
Barometer	-	Yes	-	-	-
Fingerprint Reader	-	Yes stand-alone	-	-	-
Flashlight	-	Yes	-	-	-
GPS / Location	Yes	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	-	Yes	-
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	-
Mobile Hotspot	-	n/a	n/a	n/a	-
NFC	-	Yes	-	-	-
USB	Yes Mini-USB	Yes USB Type C	Yes	Yes Micro-USB	-
Wi-Fi	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	-	n/a	n/a	n/a	Yes
Ringer ID	-	n/a	n/a	n/a	Yes
Voice Dialing	-	n/a	n/a	n/a	Yes
Customization
Custom Graphics	-	n/a	n/a	n/a	Yes
Custom Ringtones	-	n/a	n/a	n/a	Yes
Real-Music Ringers	-	n/a	n/a	n/a	-
Data & Network
Data Tethering	-	n/a	n/a	n/a	Yes
WAP / Web Browser	-	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	-	n/a	n/a	n/a	Yes
Side Keys	-	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	-	n/a	n/a	n/a	-
Instant Messaging	-	n/a	n/a	n/a	-
MMS	-	n/a	n/a	n/a	-
Text Messaging Templates	Yes	n/a	n/a	n/a	-
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	n/a	n/a	n/a	-
Photo & Video
DLNA	-	-	-	Yes	-
Power
Fast Charging	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	Yes
Voice Memo	Yes *	n/a	n/a	n/a	Yes
Software
BREW	-	n/a	n/a	n/a	Yes
Games	-	n/a	n/a	n/a	Yes
Java (J2ME)	-	n/a	n/a	n/a	-
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	Yes
Speaker Phone	-	Yes	Yes	Yes	-
	* Some versions only
	Cal-Comp EZ	ZTE Blade X1 5G	Samsung Jack i637	HTC Desire 520	Samsung SCH-A530
	X >	< X >	< X >	< X >	< X

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


Phone	Cal-Comp EZ	ZTE Blade X1 5G	Samsung Jack i637	HTC Desire 520	Samsung SCH-A530