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Phone ZTE Speed LG Motion 4G / Optimus Regard Samsung SGH-A157 AT&T Maestro 3
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
3.5" diag.
5 : 3
1.8" diag.
4 : 3
6.5" diag.
20 : 9
Display Resolution & Type 540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? 60 Hz
Battery 2,000 mAh 1,700 mAh 800 mAh 3,900 mAh
Processor 1.2 GHz Qualcomm Snapdragon 410 MSM8916 1.2 GHz Qualcomm Snapdragon MSM8960L ? 2 GHz MediaTek Helio A22 (MT6761)
RAM 1 GB ? ? 3 GB
Storage 8 GB ? raw hardware 256 MB 32 GB
Main Camera 5 megapixel 5 megapixel - 13 megapixel
Wide Camera - - - 5 megapixel
Tele Camera - - - -
Video Capture 720p HD 1080p HD - 1080p HD
Front Camera 2 megapixel Yes - 5 megapixel
Weight 4.8 oz
(136g)
4.65 oz
(132g)
2.99 oz
(85g)
6.24 oz
(177g)
Dimensions 5.3" x 2.6" x 0.4"
(135 x 66 x 10.2 mm)
4.36" x 2.39" x 0.46"
(111 x 61 x 11.7 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
Form Factor Slab Slab Clamshell Slab
Platform / OS Android Android (proprietary) Android
Network Bands

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

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

Data Technology LTE (Cat 3) LTE (Cat 3) ? LTE (Cat 4)
Features 
Barometer - - - Yes
Fingerprint Reader - - - Yes
stand-alone
Flashlight - - - Yes
GPS / Location n/a n/a Yes n/a
Accessibility
Adjustable Text Size n/a n/a Yes n/a
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes - Yes
Mobile Hotspot n/a n/a - n/a
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
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 Yes n/a
Ringer ID n/a n/a Yes n/a
Voice Dialing n/a n/a - n/a
Customization
Custom Graphics n/a n/a Yes n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a - n/a
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes - Yes
Touch Screen Yes Yes - Yes
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client n/a n/a - n/a
Instant Messaging n/a n/a - n/a
MMS n/a n/a Yes n/a
Text Messaging Templates n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes Yes - Yes
Music Player n/a n/a - n/a
Photo & Video
DLNA - Yes - -
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
To-Do List n/a n/a Yes n/a
Voice Memo n/a n/a Yes n/a
Software
Games n/a n/a - n/a
Voice
HD Voice Yes - - Yes
Speaker Phone Yes Yes Yes Yes
  ZTE Speed LG Motion 4G / Optimus Regard Samsung SGH-A157 AT&T Maestro 3
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Phone ZTE Speed LG Motion 4G / Optimus Regard Samsung SGH-A157 AT&T Maestro 3

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