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Phone LG Stylo 4 AT&T Maestro 3 Ericsson T66 Cricket Debut S2 / AT&T Calypso 4 Asus ROG Phone II
Current U.S. Carriers (none) (none) (none) AT&T (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size 6.2" diag.
18 : 9
6.5" diag.
20 : 9
? 6.1" diag.
19.5 : 9
6.6" diag.
19.5 : 9
Display Resolution & Type 1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
? 720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz ? 60 Hz 120 Hz
Battery 3,300 mAh 3,900 mAh ? 3,000 mAh 6,000 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 2 GHz MediaTek Helio A22 (MT6761) ? 2 GHz MediaTek Helio A22 (MT6761WB) 3 GHz Qualcomm Snapdragon 855 Plus
RAM 2 GB * 3 GB ? 3 GB 12 GB
Storage 32 GB * 32 GB ? raw hardware 64 GB 512 GB
Main Camera 13 megapixel 13 megapixel - 8 megapixel 48 megapixel
Wide Camera - 5 megapixel - - 13 megapixel
Tele Camera - - - - -
Video Capture 1080p HD 1080p HD - ? 4K UHD
Front Camera 5 megapixel 5 megapixel - 5 megapixel 24 megapixel
Weight 6.07 oz
(172g)
6.24 oz
(177g)
2.08 oz
(59g)
5.64 oz
(160g)
8.47 oz
(240g)
Dimensions 6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
6.11" x 2.87" x 0.34"
(155 x 73 x 8.6 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS Android Android (proprietary) Android Android
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 14, 30

GSM: 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66

WCDMA: 1, 2, 4, 5, 8

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) LTE (Cat 4) - LTE (Cat 4) LTE (Cat 20)
Features 
Barometer - Yes - - -
Fingerprint Reader Yes
stand-alone
Yes
stand-alone
- - Yes
in-display (optical)
Flashlight Yes Yes - Yes Yes
Accessibility
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages n/a n/a Yes n/a n/a
TTY/TDD (Digital) Yes - - - -
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes - Yes Yes
NFC Yes * - - - Yes
USB Yes
USB Type C
Yes
USB Type C
- Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Customization
Custom Graphics n/a n/a Yes n/a n/a
Custom Ringtones n/a n/a Yes n/a n/a
Data & Network
Dual-SIM - - - - Yes
WAP / Web Browser n/a n/a Yes n/a n/a
Input
Predictive Text Entry n/a n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus Yes - - - -
Touch Screen Yes Yes - Yes Yes
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
EMS / Picture Messaging n/a n/a Yes n/a n/a
Text Messaging Templates n/a n/a Yes n/a n/a
Music
FM Radio Yes - - - Yes
Headphone Jack (3.5mm) Yes Yes - Yes Yes
Stereo Speakers - - - - Yes
Photo & Video
DLNA Yes - - - -
TV Output - - - - Yes
Power
Fast Charging - - - Yes Yes
Productivity
Alarm n/a n/a Yes n/a n/a
Calculator n/a n/a Yes n/a n/a
Calendar n/a n/a Yes n/a n/a
To-Do List n/a n/a Yes n/a n/a
Software
Games n/a n/a Yes n/a n/a
Voice
HD Voice Yes Yes - Yes -
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  LG Stylo 4 AT&T Maestro 3 Ericsson T66 Cricket Debut S2 / AT&T Calypso 4 Asus ROG Phone II
  X > < X > < X > < X > < X

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

 
Phone LG Stylo 4 AT&T Maestro 3 Ericsson T66 Cricket Debut S2 / AT&T Calypso 4 Asus ROG Phone II

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