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Phone Huawei M835 TCL A30 / A3 Cricket Debut S2 / AT&T Calypso 4 Samsung SCH-A990
Current U.S. Carriers (none) (none) AT&T (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
5.5" diag.
18 : 9
6.1" diag.
19.5 : 9
?
Display Resolution & Type 240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ?
Battery 1,200 mAh 3,000 mAh 3,000 mAh 1,000 mAh
Processor 528 MHz Qualcomm MSM7625 2 GHz MediaTek Helio P22 (MT6762V) 2 GHz MediaTek Helio A22 (MT6761WB) ?
RAM ? 3 GB 3 GB ?
Storage ? raw hardware 32 GB 64 GB ? raw hardware
Main Camera 3 megapixel 8 megapixel 8 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? 1080p HD ? ?
Front Camera - 5 megapixel 5 megapixel -
Weight 3.88 oz
(110g)
6.03 oz
(171g)
5.64 oz
(160g)
4.4 oz
(125g)
Dimensions 4.09" x 2.15" x 0.53"
(104 x 55 x 13.5 mm)
5.74" x 2.8" x 0.39"
(146 x 71 x 9.9 mm)
6.11" x 2.87" x 0.34"
(155 x 73 x 8.6 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
Form Factor Slab Slab Slab Clamshell
Platform / OS Android Android Android (proprietary)
Network Bands

CDMA: 850, 1700, 1900

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

Data Technology EVDO rA LTE (Cat 4) LTE (Cat 4) EVDO r0
Features 
Flashlight - Yes Yes Yes
GPS / Location n/a n/a n/a Yes
Water-Resistant - Yes
IPX2 (drip)
- -
Accessibility
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
USB Yes Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a n/a n/a Yes
Ringer ID n/a n/a n/a Yes
Voice Dialing n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a Yes
Data & Network
Data Tethering n/a n/a n/a Yes
WAP / Web Browser n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a n/a n/a -
EMS / Picture Messaging n/a n/a n/a Yes
Instant Messaging n/a n/a n/a -
MMS n/a n/a n/a Yes
Text Messaging Templates n/a n/a n/a Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes -
Music Player n/a n/a n/a Yes
Stereo Speakers - - - Yes
Photo & Video
TV Output - - - Yes
Power
Fast Charging - - Yes -
Productivity
Alarm n/a n/a n/a Yes
Calculator n/a n/a n/a Yes
Calendar n/a n/a n/a Yes
Voice Memo n/a n/a n/a Yes
Software
BREW n/a n/a n/a Yes
Games n/a n/a n/a Yes
Voice
HD Voice - Yes Yes -
Speaker Phone Yes Yes Yes Yes
  Huawei M835 TCL A30 / A3 Cricket Debut S2 / AT&T Calypso 4 Samsung SCH-A990
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Phone Huawei M835 TCL A30 / A3 Cricket Debut S2 / AT&T Calypso 4 Samsung SCH-A990

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