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Phone Ericsson T66 Huawei M835 Sony Ericsson T237 / T290a Sony Xperia PRO-I
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size ? 2.8" diag.
4 : 3
? 6.5" diag.
21 : 9
Display Resolution & Type ? 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
1644 x 3840 pixels
(~643 ppi)
AMOLED
Display Refresh ? 60 Hz ? 120 Hz
Battery ? 1,200 mAh ? 4,500 mAh
Processor ? 528 MHz Qualcomm MSM7625 ? Qualcomm Snapdragon 888
RAM ? ? ? 12 GB
Storage ? raw hardware ? raw hardware ? raw hardware 512 GB
Main Camera - 3 megapixel - 12 megapixel
Wide Camera - - - 12 megapixel
Tele Camera - - - 12 megapixel
Video Capture - ? - 4K UHD
Front Camera - - - 8 megapixel
Weight 2.08 oz
(59g)
3.88 oz
(110g)
2.79 oz
(79g)
7.44 oz
(211g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.09" x 2.15" x 0.53"
(104 x 55 x 13.5 mm)
4" x 1.71" x 0.71"
(102 x 43 x 18 mm)
6.54" x 2.83" x 0.35"
(166 x 72 x 8.9 mm)
Form Factor Slab Slab Slab Slab
Platform / OS (proprietary) Android (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1700, 1900

GSM: 850, 1900

5G: 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

Data Technology - EVDO rA GPRS NR (5G)
Features 
Fingerprint Reader - - - Yes
stand-alone
Flashlight - - - Yes
GPS / Location - n/a - n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - Yes - Yes
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Ringer Profiles Yes - - -
Connectivity
Bluetooth -
Yes
Classic Audio
-
Yes
Classic Audio
NFC - - - Yes
USB - Yes Yes Yes
USB Type C
Wi-Fi - Yes
4 (802.11 b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID - n/a Yes n/a
Ringer ID - n/a Yes n/a
Voice Dialing - n/a Yes n/a
Customization
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers - n/a - n/a
Data & Network
Dual-SIM - - - Yes
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes - Yes
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client - n/a Yes n/a
EMS / Picture Messaging Yes n/a Yes n/a
Instant Messaging - n/a - n/a
MMS - n/a Yes n/a
Text Messaging Templates Yes n/a Yes n/a
Music
Headphone Jack (3.5mm) - Yes - Yes
Music Player - n/a - n/a
Stereo Speakers - - - Yes
Photo & Video
TV Output - - - Yes
Power
Fast Charging - - - Yes
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List Yes n/a - n/a
Voice Memo - n/a Yes n/a
Software
Games Yes n/a Yes n/a
Voice
HD Voice - - - Yes
Speaker Phone - Yes Yes Yes
  Ericsson T66 Huawei M835 Sony Ericsson T237 / T290a Sony Xperia PRO-I
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Phone Ericsson T66 Huawei M835 Sony Ericsson T237 / T290a Sony Xperia PRO-I

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