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Phone Essential Phone Ericsson R520 Kyocera 2135 Motorola v66i MiTAC Mio 8380
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.7" diag.
17.5 : 9
? ? ? ?
Display Resolution & Type 1312 x 2560 pixels
(~504 ppi)
LCD (TFT/TFD)
? ? ? 176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 3,040 mAh ? 925 mAh ? 1,050 mAh
Processor 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ? ? ? 200 MHz Intel XScale
RAM 4 GB ? ? ? ?
Storage 128 GB ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 13 megapixel - - - Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 4K UHD - - - ?
Front Camera 8 megapixel - - - -
Weight 6.53 oz
(185g)
4.23 oz
(120g)
4.7 oz
(133g)
2.79 oz
(79g)
5.04 oz
(143g)
Dimensions 5.57" x 2.8" x 0.31"
(141 x 71 x 7.8 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
3.3" x 1.7" x 0.83"
(84 x 43 x 21.1 mm)
3.82" x 2.03" x 1.17"
(97 x 52 x 29.7 mm)
Form Factor Slab Slab Slab Clamshell Clamshell
Platform / OS Android (proprietary) (proprietary) (proprietary) Windows Mobile Standard
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 12) GPRS - GPRS GPRS
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
stand-alone
- - - -
Flashlight Yes - - - -
Accessibility
Hearing Aid Compatible Yes - - - -
Multiple Languages n/a Yes Yes Yes n/a
TTY/TDD (Digital) Yes - - - -
Alerts
Extra Display - - - - Yes
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
HSP, Sync, OPP, DUN
- - -
Infrared (IR) - Yes - - Yes
NFC Yes - - - -
USB Yes
USB Type C
- - Yes -
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - - -
Contacts
Ringer ID n/a - - Yes n/a
Voice Dialing n/a Yes - Yes n/a
Customization
Changeable Body Plates - - Yes Yes -
Custom Graphics n/a - - - n/a
Custom Ringtones n/a Yes Yes Yes n/a
Data & Network
Data Tethering n/a Yes Yes Yes n/a
WAP / Web Browser n/a Yes Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes Yes n/a
Side Keys Yes Yes - Yes Yes
Touch Screen Yes - - - -
Memory
Memory Card Slot - - - - Yes
Messaging
Email Client n/a - - - n/a
EMS / Picture Messaging n/a - - Yes n/a
MMS n/a - - - n/a
Text Messaging Templates n/a Yes Yes - n/a
Music
Music Player n/a - - - n/a
Power
Fast Charging Yes - - - -
Productivity
Alarm n/a Yes Yes Yes n/a
Calculator n/a Yes Yes Yes n/a
Calendar n/a Yes - Yes n/a
To-Do List n/a - - - n/a
Voice Memo n/a Yes - Yes n/a
Software
Games n/a Yes Yes Yes n/a
Java (J2ME) n/a - - Yes n/a
Voice
Headset Jack (2.5 mm) n/a - Yes Yes n/a
Speaker Phone Yes Yes - - Yes
  Essential Phone Ericsson R520 Kyocera 2135 Motorola v66i MiTAC Mio 8380
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Phone Essential Phone Ericsson R520 Kyocera 2135 Motorola v66i MiTAC Mio 8380

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