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Phone Samsung SGH-A157 Apple iPhone 4 (CDMA) Motorola Evoke QA4
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 1.8" diag.
4 : 3
3.5" diag.
5 : 3
2.8" diag.
5 : 3
Display Resolution & Type 128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ?
Battery 800 mAh ? 1,170 mAh
Processor ? ? MSM6800a
RAM ? ? ?
Storage 256 MB 8 GB * ? raw hardware
Main Camera - 5 megapixel 2 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture - 720p HD ?
Front Camera - Yes -
Weight 2.99 oz
(85g)
4.8 oz
(136g)
4.52 oz
(128g)
Dimensions 3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
4.25" x 1.99" x 0.69"
(108 x 51 x 17.5 mm)
Form Factor Clamshell Slab Slide
Platform / OS (proprietary) iOS (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1700, 1900

Data Technology ? EVDO rA EVDO rA
Features 
GPS / Location Yes n/a Yes
Accessibility
Adjustable Text Size Yes n/a -
Hearing Aid Compatible Yes
M4 (very compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes
TTY/TDD (Digital) Yes - Yes
Alerts
Ringer Profiles Yes - -
Connectivity
Bluetooth - Yes Yes
Mobile Hotspot - n/a -
USB Yes
Micro-USB
Yes Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a Yes
Ringer ID Yes n/a Yes
Voice Dialing - n/a Yes
Customization
Custom Graphics Yes n/a Yes
Custom Ringtones Yes n/a Yes
Real-Music Ringers Yes n/a Yes
Data & Network
Data Tethering - n/a Yes
WAP / Web Browser Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes
Side Keys - Yes Yes
Touch Screen - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - Yes
Messaging
Email Client - n/a Yes
MMS Yes n/a -
Text Messaging Templates Yes n/a -
Music
Headphone Jack (3.5mm) - Yes -
Music Player - n/a Yes
Photo & Video
TV Output - Yes -
Video Calling - n/a -
Productivity
Alarm Yes n/a Yes
Calculator Yes n/a Yes
Calendar Yes n/a Yes
To-Do List Yes n/a -
Voice Memo Yes n/a -
Software
BREW - n/a Yes
Games - n/a Yes
Voice
Speaker Phone Yes Yes Yes
  Samsung SGH-A157 Apple iPhone 4 (CDMA) Motorola Evoke QA4
  X > < X > < X

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Phone Samsung SGH-A157 Apple iPhone 4 (CDMA) Motorola Evoke QA4

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