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Phone Samsung SGH-A127 ZTE Agent Motorola Moto z4 ZTE Prelude / Avail 2 Apple iPhone 4 (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
6.4" diag.
19.5 : 9
3.5" diag.
5 : 3
3.5" diag.
5 : 3
Display Resolution & Type 128 x 160 pixels
LCD (STN)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~403 ppi)
AMOLED
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz 60 Hz
Battery 800 mAh 900 mAh 3,600 mAh 1,500 mAh ?
Processor ? ? 2 GHz Qualcomm Snapdragon 675 1 GHz Qualcomm Snapdragon MSM7225A Apple A4
RAM ? ? 4 GB 512 MB ?
Storage ? raw hardware ? raw hardware 128 GB 4 GB 32 GB *
Main Camera Yes 1 megapixel 48 megapixel 2 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? 4K UHD VGA (640 x 480) 720p HD
Front Camera - - 25 megapixel - Yes
Weight 2.86 oz
(81g)
3.53 oz
(100g)
6 oz
(170g)
4.4 oz
(125g)
4.8 oz
(136g)
Dimensions 3.39" x 1.67" x 0.76"
(86 x 42 x 19.3 mm)
4.3" x 1.9" x 0.6"
(109 x 48 x 15.2 mm)
6.22" x 2.96" x 0.29"
(158 x 75 x 7.4 mm)
4.6" x 2.44" x 0.45"
(117 x 62 x 11.4 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android iOS
Network Bands

GSM: 850, 1900

CDMA: 850, 1700, 1900

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

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 1900

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS 1xRTT LTE (Cat 12) HSPA 7.2 HSPA 7.2
Features 
Fingerprint Reader - - Yes - -
Flashlight - - Yes - -
GPS / Location - Yes n/a n/a n/a
Water-Resistant - - Yes - -
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes - - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Mobile Hotspot - - n/a n/a n/a
NFC - - Yes - -
USB - Yes
Micro-USB
Yes
USB Type C
Yes Yes
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID - - n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing - - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - Yes n/a n/a n/a
Data & Network
Data Tethering - - n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes Yes Yes
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - Yes n/a n/a n/a
Instant Messaging - Yes n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player - Yes n/a n/a n/a
Photo & Video
TV Output - - - - Yes
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List Yes - n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW - Yes n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes - n/a n/a n/a
Voice
HD Voice - - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-A127 ZTE Agent Motorola Moto z4 ZTE Prelude / Avail 2 Apple iPhone 4 (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-A127 ZTE Agent Motorola Moto z4 ZTE Prelude / Avail 2 Apple iPhone 4 (GSM)

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