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Phone	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Sanyo RL-4920	LG VX-6100	HTC Desire 520	ZTE Blade X1 5G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	4.5" diag. 16 : 9	6.5" diag. 19.5 : 9
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	128 x 112 pixels LCD (Color)	128 x 160 pixels LCD (TFT/TFD)	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	1080 x 2340 pixels (~396 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	1,490 mAh	1,700 mAh	1,000 mAh	2,000 mAh	4,000 mAh
Processor	400 MHz Intel XScale	?	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	2.4 GHz Qualcomm Snapdragon 765G
RAM	?	?	?	1 GB	6 GB
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	128 GB
Main Camera	Yes	-	Yes	8 megapixel	48 megapixel
Wide Camera	-	-	-	-	8 megapixel
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	-	-	720p HD	4K UHD
Front Camera	-	-	-	2 megapixel	16 megapixel
Weight	7.41 oz (210g)	4.03 oz (114g)	3.88 oz (110g)	4.9 oz (139g)	6.7 oz (190g)
Dimensions	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)	4.22" x 1.85" x 0.85" (107 x 47 x 21.6 mm)	3.56" x 1.9" x 0.94" (90 x 48 x 23.9 mm)	5.5" x 2.71" x 0.36" (140 x 69 x 9 mm)	6.46" x 2.99" x 0.36" (164 x 76 x 9.2 mm)
Form Factor	Slide	Slab	Clamshell	Slab	Slab
Platform / OS	Windows Mobile Professional	(proprietary)	(proprietary)	Android	Android
Network Bands	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	5G: 2, 5, 66 4G LTE: 2, 4, 5, 12, 13, 66
Data Technology	GPRS	1xRTT	1xRTT	LTE (Cat 3)	NR (5G)
Features
Barometer	-	-	-	-	Yes
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	Yes	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	-	n/a	n/a
Hearing Aid Compatible	-	-	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	-	-	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	n/a	-	-	n/a	n/a
NFC	-	-	-	-	Yes
USB	Yes	Yes	Yes	Yes Micro-USB	Yes USB Type C
Wi-Fi	Yes	-	-	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	n/a	Yes	Yes	n/a	n/a
Ringer ID	n/a	Yes	Yes	n/a	n/a
Voice Dialing	n/a	Yes	Yes	n/a	n/a
Customization
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	-	-	n/a	n/a
Data & Network
Data Tethering	n/a	-	Yes	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	-	-	Yes	Yes
Messaging
Email Client	n/a	-	-	n/a	n/a
EMS / Picture Messaging	n/a	-	Yes	n/a	n/a
Instant Messaging	n/a	-	-	n/a	n/a
MMS	n/a	-	Yes	n/a	n/a
Text Messaging Templates	n/a	-	Yes	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	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	Yes	-	n/a	n/a
Voice Memo	n/a	Yes	Yes	n/a	n/a
Software
BREW	n/a	-	Yes	n/a	n/a
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	Yes	-	n/a	n/a
Voice
Call Screening	-	Yes	-	-	-
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	Yes	Yes	n/a	n/a
Push-To-Talk	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Sanyo RL-4920	LG VX-6100	HTC Desire 520	ZTE Blade X1 5G
	X >	< X >	< X >	< X >	< X

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


Phone	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Sanyo RL-4920	LG VX-6100	HTC Desire 520	ZTE Blade X1 5G