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Phone Samsung Jack i637 Nokia E50 Ericsson R278d BLU Life One X2 Mini
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? ? 5" diag.
16 : 9
Display Resolution & Type 320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
101 x 40 pixels 1080 x 1920 pixels
(~441 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 1,480 mAh 970 mAh ? 3,000 mAh
Processor ? ? ? 1.4 GHz Qualcomm Snapdragon 430 (MSM8937)
RAM ? ? ? 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware 64 GB
Main Camera 3 megapixel 1 megapixel - 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? QCIF (176 x 144) - 1080p HD
Front Camera - - - 8 megapixel
Weight 3.6 oz
(102g)
3.67 oz
(104g)
9.28 oz
(263g)
5.25 oz
(149g)
Dimensions 4.4" x 2.4" x 0.5"
(112 x 61 x 12.7 mm)
4.45" x 1.71" x 0.61"
(113 x 43 x 15.5 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
5.5" x 2.7" x 0.3"
(140 x 69 x 7.6 mm)
Form Factor Slab Slab Slab Slab
Platform / OS Windows Mobile Standard S60 (Symbian) (proprietary) Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

TDMA: 850, 1900

AMPS: 850

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

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 EDGE - LTE (Cat 4)
Features 
Fingerprint Reader - - - Yes
stand-alone
Flashlight - - - Yes
GPS / Location n/a n/a - n/a
Accessibility
Hearing Aid Compatible Yes - - -
Multiple Languages n/a n/a Yes n/a
Alerts
Ringer Profiles Yes Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Infrared (IR) - Yes - -
USB Yes Yes - Yes
Micro-USB
Wi-Fi Yes
802.11 b,g
- - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a n/a - n/a
Ringer ID n/a n/a - n/a
Voice Dialing n/a n/a - n/a
Customization
Custom Graphics n/a n/a - n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a - n/a
Data & Network
Data Tethering n/a n/a Yes n/a
Dual-SIM - - - Yes
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Touch Screen - - - Yes
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client n/a n/a - n/a
Instant Messaging n/a n/a - n/a
MMS n/a n/a - n/a
Text Messaging Templates n/a n/a - n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) - - - Yes
Music Player n/a n/a - n/a
Power
Fast Charging - - - Yes
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a - n/a
Calendar n/a n/a - n/a
To-Do List n/a n/a - n/a
Voice Memo n/a n/a - n/a
Software
Games n/a n/a - n/a
Java (J2ME) n/a n/a - n/a
Voice
Push-To-Talk - Yes - -
Speaker Phone Yes Yes - Yes
  Samsung Jack i637 Nokia E50 Ericsson R278d BLU Life One X2 Mini
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Phone Samsung Jack i637 Nokia E50 Ericsson R278d BLU Life One X2 Mini

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