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Phone	Sony Ericsson P910	Sony Ericsson K850	HTC Hero (CDMA)	Ericsson R278d	ZTE Blade X1 5G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.2" diag. 4 : 3	3.2" diag. 5 : 3	?	6.5" diag. 19.5 : 9
Display Resolution & Type	208 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	101 x 40 pixels	1080 x 2340 pixels (~396 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	?	?	1,500 mAh	?	4,000 mAh
Processor	?	?	528 MHz MSM7600	?	2.4 GHz Qualcomm Snapdragon 765G
RAM	?	?	?	?	6 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	128 GB
Main Camera	Yes	5 megapixel	5 megapixel	-	48 megapixel
Wide Camera	-	-	-	-	8 megapixel
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	?	QVGA (320 x 240)	-	4K UHD
Front Camera	-	-	-	-	16 megapixel
Weight	5.47 oz (155g)	4.2 oz (119g)	4.5 oz (128g)	9.28 oz (263g)	6.7 oz (190g)
Dimensions	4.53" x 2.28" x 1.02" (115 x 58 x 25.9 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	4.46" x 2.22" x 0.54" (113 x 56 x 13.7 mm)	5.1" x 2" x 1" (130 x 51 x 25.4 mm)	6.46" x 2.99" x 0.36" (164 x 76 x 9.2 mm)
Form Factor	Flip	Slab	Slab	Slab	Slab
Platform / OS	UIQ (Symbian)	(proprietary)	Android	(proprietary)	Android
Network Bands	GSM: 850, 1800, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	TDMA: 850, 1900 AMPS: 850	5G: 2, 5, 66 4G LTE: 2, 4, 5, 12, 13, 66
Data Technology	GPRS	HSDPA 3.6	EVDO rA	-	NR (5G)
Features
Barometer	-	-	-	-	Yes
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	-	n/a	-	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Ringer Profiles	Yes	Yes	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	Yes	-	-	-	-
NFC	-	-	-	-	Yes
USB	Yes	Yes	Yes Mini-USB	-	Yes USB Type C
Wi-Fi	-	-	Yes 802.11 b,g	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	n/a	Yes	n/a	-	n/a
Ringer ID	n/a	Yes	n/a	-	n/a
Voice Dialing	n/a	Yes	n/a	-	n/a
Customization
Custom Graphics	n/a	Yes	n/a	-	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	Yes	n/a	-	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	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	-	Yes
Messaging
Email Client	n/a	Yes	n/a	-	n/a
EMS / Picture Messaging	n/a	-	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	Yes	n/a	-	n/a
Photo & Video
Video Calling	n/a	Yes *	n/a	-	n/a
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	-	n/a
Calendar	n/a	Yes	n/a	-	n/a
To-Do List	n/a	Yes	n/a	-	n/a
Voice Memo	n/a	Yes	n/a	-	n/a
Software
Games	n/a	Yes	n/a	-	n/a
Java (J2ME)	n/a	Yes	n/a	-	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	-	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Sony Ericsson P910	Sony Ericsson K850	HTC Hero (CDMA)	Ericsson R278d	ZTE Blade X1 5G
	X >	< X >	< X >	< X >	< X

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


Phone	Sony Ericsson P910	Sony Ericsson K850	HTC Hero (CDMA)	Ericsson R278d	ZTE Blade X1 5G