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Phone Apple iPhone 4 (GSM) Samsung SCH-A990 Alcatel REVVL 2 Samsung SGH-R225 / SGH-R225M Kyocera Cadence
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? 5.5" diag.
18 : 9
? 2.4" diag.
4 : 3
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
128 x 64 pixels 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ? ?
Battery ? 1,000 mAh 3,000 mAh ? 1,430 mAh
Processor Apple A4 ? 1.5 GHz MediaTek MT6739 ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? ? 2 GB ? 2 GB
Storage 32 GB * ? raw hardware 32 GB ? raw hardware 16 GB
Main Camera 5 megapixel 3 megapixel 13 megapixel - 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD ? 720p HD - -
Front Camera Yes - 8 megapixel - -
Weight 4.8 oz
(136g)
4.4 oz
(125g)
5.11 oz
(145g)
3.35 oz
(95g)
4.7 oz
(133g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.79" x 2.71" x 0.33"
(147 x 69 x 8.5 mm)
4.33" x 1.81" x 0.93"
(110 x 46 x 23.6 mm)
4.19" x 2.08" x 0.76"
(106 x 53 x 19.3 mm)
Form Factor Slab Clamshell Slab Slab Clamshell
Platform / OS iOS (proprietary) Android (proprietary) (proprietary)
Network Bands

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1900

4G LTE: 4, 13

WCDMA: 2, 5

GSM: 850, 1900

Data Technology HSPA 7.2 EVDO r0 LTE (Cat 4) - LTE (Cat 4)
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - Yes Yes - -
GPS / Location n/a Yes n/a - Yes
Water-Resistant - - Yes
IPX2 (drip)
- -
Accessibility
Adjustable Text Size n/a - n/a - Yes
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M4, T4 (very tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display - Yes - - Yes
Connectivity
Bluetooth Yes Yes Yes - Yes
Mobile Hotspot n/a - n/a - Yes
USB Yes Yes Yes
Micro-USB
- Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes n/a - Yes
Ringer ID n/a Yes n/a Yes Yes
Voice Dialing n/a Yes n/a - Yes
Customization
Custom Graphics n/a Yes n/a Yes Yes
Custom Ringtones n/a Yes n/a Yes -
Real-Music Ringers n/a Yes n/a - Yes
Data & Network
Data Tethering n/a Yes n/a Yes Yes
WAP / Web Browser n/a Yes n/a - Yes
Input
Predictive Text Entry n/a Yes n/a Yes Yes
Side Keys Yes Yes Yes - Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
- -
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client n/a - n/a - Yes
EMS / Picture Messaging n/a Yes n/a - -
MMS n/a Yes n/a Yes Yes
Text Messaging Templates n/a Yes n/a Yes Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) Yes - Yes - Yes
Music Player n/a Yes n/a - Yes
Stereo Speakers - Yes - - -
Photo & Video
TV Output Yes Yes - - -
Productivity
Alarm n/a Yes n/a Yes Yes
Calculator n/a Yes n/a Yes Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a - n/a - Yes
Voice Memo n/a Yes n/a - Yes
Software
BREW n/a Yes n/a - -
Games n/a Yes n/a Yes -
Voice
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) n/a - n/a Yes -
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Apple iPhone 4 (GSM) Samsung SCH-A990 Alcatel REVVL 2 Samsung SGH-R225 / SGH-R225M Kyocera Cadence
  X > < X > < X > < X > < X

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

 
Phone Apple iPhone 4 (GSM) Samsung SCH-A990 Alcatel REVVL 2 Samsung SGH-R225 / SGH-R225M Kyocera Cadence

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