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Phone Samsung Nexus S 4G Sanyo RL-4930 Ericsson R278d
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
? ?
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
AMOLED
128 x 112 pixels
LCD (STN)
101 x 40 pixels
Display Refresh 60 Hz ? ?
Battery 1,500 mAh 1,700 mAh ?
Processor 1 GHz Samsung Hummingbird Cortex A8 ? ?
RAM ? ? ?
Storage 16 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel - -
Wide Camera - - -
Tele Camera - - -
Video Capture WVGA / 480p - -
Front Camera Yes - -
Weight 4.62 oz
(131g)
4.4 oz
(125g)
9.28 oz
(263g)
Dimensions 4.88" x 2.48" x 0.44"
(124 x 63 x 11.2 mm)
4.5" x 2" x 1"
(114 x 51 x 25.4 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
Form Factor Slab Slab Slab
Platform / OS Android (proprietary) (proprietary)
Network Bands

4G WiMAX: 41

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

TDMA: 850, 1900

AMPS: 850

Data Technology WiMAX 1xRTT -
Features 
GPS / Location n/a Yes -
Ruggedized - Yes -
Accessibility
Hearing Aid Compatible Yes
M4 (very compatible)
- -
Multiple Languages n/a Yes Yes
TTY/TDD (Digital) - Yes -
Alerts
Ringer Profiles - - Yes
Connectivity
Bluetooth Yes - -
Mobile Hotspot n/a - -
NFC Yes - -
USB Yes
Micro-USB
Yes -
Wi-Fi Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a Yes -
Ringer ID n/a Yes -
Voice Dialing n/a Yes -
Customization
Custom Graphics n/a Yes -
Custom Ringtones n/a Yes Yes
Real-Music Ringers n/a - -
Data & Network
Data Tethering n/a - Yes
WAP / Web Browser n/a Yes Yes
Input
Predictive Text Entry n/a Yes Yes
Side Keys Yes Yes Yes
Touch Screen Yes
Capacitive
- -
Messaging
Email Client n/a - -
Instant Messaging n/a - -
MMS n/a - -
Music
Headphone Jack (3.5mm) Yes - -
Music Player n/a - -
Productivity
Alarm n/a Yes Yes
Calculator n/a - -
Calendar n/a Yes -
To-Do List n/a Yes -
Voice Memo n/a Yes -
Software
Games n/a Yes -
Java (J2ME) n/a Yes -
Voice
Call Screening - Yes -
Push-To-Talk - Yes -
Speaker Phone Yes Yes -
  Samsung Nexus S 4G Sanyo RL-4930 Ericsson R278d
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Phone Samsung Nexus S 4G Sanyo RL-4930 Ericsson R278d

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