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Phone Kyocera 2135 Ericsson T66 Ericsson R520 Ericsson T28 World Google Pixel 3a
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? 5.6" diag.
18.5 : 9
Display Resolution & Type ? ? ? ? 1080 x 2220 pixels
(~441 ppi)
AMOLED
Display Refresh ? ? ? ? 60 Hz
Battery 925 mAh ? ? 500 mAh 3,000 mAh
Processor ? ? ? ? 2 GHz Qualcomm Snapdragon 670
RAM ? ? ? ? 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 64 GB
Main Camera - - - - 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - 4K UHD
Front Camera - - - - 8 megapixel
Weight 4.7 oz
(133g)
2.08 oz
(59g)
4.23 oz
(120g)
3.14 oz
(89g)
5.19 oz
(147g)
Dimensions 5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
6" x 2.8" x 0.3"
(152 x 71 x 7.6 mm)
Form Factor Slab Slab Slab Flip Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology - - GPRS - LTE (Cat 11)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
Accessibility
Hearing Aid Compatible - - - - Yes
Multiple Languages Yes Yes Yes - n/a
TTY/TDD (Digital) - - - - Yes
Alerts
Ringer Profiles - Yes Yes Yes -
Connectivity
Bluetooth - - Yes
HSP, Sync, OPP, DUN
- Yes
Classic Audio
Infrared (IR) - - Yes - -
NFC - - - - Yes
USB - - - - Yes
USB Type C
Wi-Fi - - - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Voice Dialing - - Yes Yes n/a
Customization
Changeable Body Plates Yes - - - -
Custom Graphics - Yes - - n/a
Custom Ringtones Yes Yes Yes Yes n/a
Data & Network
Data Tethering Yes - Yes Yes n/a
WAP / Web Browser Yes Yes Yes - n/a
Input
Predictive Text Entry Yes Yes Yes - n/a
Side Keys - Yes Yes Yes Yes
Touch Screen - - - - Yes
Messaging
EMS / Picture Messaging - Yes - - n/a
Text Messaging Templates Yes Yes Yes - n/a
Music
Headphone Jack (3.5mm) - - - - Yes
Stereo Speakers - - - - Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar - Yes Yes - n/a
To-Do List - Yes - - n/a
Voice Memo - - Yes - n/a
Software
Games Yes Yes Yes Yes n/a
Voice
Call Screening - - - - Yes
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes - - - n/a
Speaker Phone - - Yes - Yes
  Kyocera 2135 Ericsson T66 Ericsson R520 Ericsson T28 World Google Pixel 3a
  X > < X > < X > < X > < X

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

 
Phone Kyocera 2135 Ericsson T66 Ericsson R520 Ericsson T28 World Google Pixel 3a

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