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Phone BLU S1 Samsung SCH-A990 Samsung SGH-X640 Motorola Droid Ultra Alcatel Idol 4S
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Not yet released
Specifications 
Display Size 5.2" diag.
16 : 9
? ? 5" diag.
16 : 9
5.5" diag.
16 : 9
Display Resolution & Type 720 x 1280 pixels
(~282 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
AMOLED
1440 x 2560 pixels
(~534 ppi)
AMOLED
Display Refresh 60 Hz ? ? 60 Hz 60 Hz
Battery 2,800 mAh 1,000 mAh 800 mAh 2,130 mAh 3,000 mAh
Processor 1.5 GHz MediaTek 6750 ? ? 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T 1.8 GHz Qualcomm Snapdragon 652 (MSM8976)
RAM 2 GB ? ? 2 GB 3 GB
Storage 16 GB ? raw hardware ? raw hardware 16 GB 32 GB
Main Camera 13 megapixel 3 megapixel Yes 10 megapixel 16 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD ? - 1080p HD 4K UHD
Front Camera 5 megapixel - - 2 megapixel 8 megapixel
Weight 4.83 oz
(137g)
4.4 oz
(125g)
3 oz
(85g)
4.83 oz
(137g)
5.26 oz
(149g)
Dimensions 5.8" x 2.87" x 0.33"
(147 x 73 x 8.4 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.41" x 2.8" x 0.28"
(137 x 71 x 7.2 mm)
6.06" x 2.97" x 0.28"
(154 x 75 x 7 mm)
Form Factor Slab Clamshell Clamshell Slab Slab
Platform / OS Android (proprietary) (proprietary) Android Android
Network Bands

4G LTE: 2, 3, 4, 5, 7, 12, 17, 25, 26, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) EVDO r0 GPRS LTE (Cat 3) LTE (Cat 4)
Features 
Fingerprint Reader Yes
stand-alone
- - - Yes *
Flashlight Yes Yes - - Yes
GPS / Location n/a Yes - n/a n/a
Accessibility
Adjustable Text Size n/a - - n/a n/a
Hearing Aid Compatible - Yes - Yes Yes
Multiple Languages n/a Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth Yes Yes - Yes Yes
Mobile Hotspot n/a - - n/a n/a
NFC - - - Yes Yes
USB Yes
Micro-USB
Yes - Yes
Micro-USB
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes Yes n/a n/a
Ringer ID n/a Yes Yes n/a n/a
Voice Dialing n/a Yes - n/a n/a
Customization
Custom Graphics n/a Yes Yes n/a n/a
Custom Ringtones n/a Yes Yes n/a n/a
Real-Music Ringers n/a Yes - n/a n/a
Data & Network
Data Tethering n/a Yes - n/a n/a
Dual-SIM - - - - Yes *
WAP / Web Browser n/a Yes Yes n/a n/a
Input
Predictive Text Entry n/a Yes Yes 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 n/a - - n/a n/a
EMS / Picture Messaging n/a Yes Yes n/a n/a
Instant Messaging n/a - - n/a n/a
MMS n/a Yes Yes n/a n/a
Text Messaging Templates n/a Yes Yes n/a n/a
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player n/a Yes - n/a n/a
Stereo Speakers - Yes - - Yes
Photo & Video
Miracast - - - Yes Yes
TV Output - Yes - - -
Power
Fast Charging - - - - Yes
Productivity
Alarm n/a Yes Yes n/a n/a
Calculator n/a Yes Yes n/a n/a
Calendar n/a Yes Yes n/a n/a
To-Do List n/a - Yes n/a n/a
Voice Memo n/a Yes Yes n/a n/a
Software
BREW n/a Yes - n/a n/a
Games n/a Yes Yes n/a n/a
Java (J2ME) n/a - Yes n/a n/a
Voice
HD Voice Yes - - - Yes
Headset Jack (2.5 mm) n/a - Yes n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  BLU S1 Samsung SCH-A990 Samsung SGH-X640 Motorola Droid Ultra Alcatel Idol 4S
  X > < X > < X > < X > < X

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

 
Phone BLU S1 Samsung SCH-A990 Samsung SGH-X640 Motorola Droid Ultra Alcatel Idol 4S

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