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Celkon
Celkon A21
Compare Celkon A21 and verykool SL5011 Spark LTE

Celkon A21 vs verykool SL5011 Spark LTE

Celkon A21
Celkon A21
verykool SL5011 Spark LTE
verykool SL5011 Spark LTE
Celkon A21
verykool SL5011 Spark LTE
  • Network
  • 2G network
    GSM 900, 1800
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 2100
    HSDPA 850, 1700(AWS), 1900
  • HSDPA speed
    HSDPA
    42.2 Mbps
  • HSUPA speed
    -
    11.5 Mbps
  • LTE speed
    -
    LTE, Cat4, 150 Mbps download, 50 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2014-12
    2016-2
  • Status
    2014-12
    2016-2
  • Design
  • SIM
    Dual SIM (dual stand-by)
    Optional Dual SIM (Micro-SIM, dual stand-by)
  • Height
    124.8 mm
    143 mm
  • Width
    66.1 mm
    71.1 mm
  • Thickness
    10.8 mm
    7.5 mm
  • Weight
    115.3 g
    153 g
  • Colors
    Black, Blue, Red
    Black/Silver, White/Gold
  • Display
  • Display type
    Capacitive touchscreen
    IPS LCD capacitive touchscreen
  • Physical size
    4.0 inches
    5.0 inches
  • Resolution
    320 x 480 pixels
    720 x 1280 pixels
  • Pixel density
    144 ppi
    294 ppi
  • Display colors
    -
    16777216
  • Hardware
  • CPU
    Dual-core 1.2 GHz
    Quad-core 1.0 GHz ARM Cortex-A53
  • Chipset
    Mediatek MT6582
    Mediatek MT6735P
  • GPU
    -
    Mali-T720MP2
  • Memory ROM
    512 MB
    -
  • Memory RAM
    256 MB
    1 GB
  • Internal storage
    -
    16 GB
  • Memory card
    microSD
    microSD
  • Memory card max
    32 GB
    64 GB
  • OS
  • OS
    Android OS, v4.2.2 (Jelly Bean)
    Android OS, v5.1 (Lollipop)
  • Main camera
  • Main camera
    3.15 MP
    13 MP, f/2.2
  • Primary camera video
    video
    720p@30fps
  • Primary camera Autofocus
    -
    autofocus
  • Primary camera flash
    -
    dual-LED flash
  • Camera features
    -
    1.12 µm pixel size, 1/4" sensor size, face detection, geo-tagging, panorama, touch focus
  • Selfie camera
  • Flash
    -
    LED flash
  • Selfie camera
    1.3 MP
    8 MP, f/2.8 , 1/4" , 1.4 µm
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration, Polyphonic, MP3 ringtones
    Vibration; MP3, WAV ringtones
  • Multimedia
  • Radio FM
    FM radio
    -
  • Connectivity
  • WLAN
    Wi-Fi
    Wi-Fi 802.11b, 802.11g, 802.11n
  • WLAN WiFi Hotspot
    -
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • USB
    Yes
    microUSB 2.0
  • Bluetooth
    v4.0
    v4.0
  • Bluetooth A2DP
    -
    Yes
  • bluetooth LE
    -
    Yes
  • GPS
    No
    Yes, with A-GPS
  • Features
  • Messaging SMS
    SMS(threaded view)
    SMS(threaded view)
  • Messaging MMS
    MMS
    MMS
  • Messaging Email
    Email
    Email
  • Messaging IM
    -
    IM
  • Messaging Push Mail
    -
    Push Mail
  • Java
    Yes, via Java MIDP emulator
    No
  • Sensors
    -
    Accelerometer, proximity
  • Browser
  • HTML
    Yes
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-Po
  • Battery capacity
    1500 mAh
    2200 mAh
  • Battery removable
    -
    Non-removable
  • Talk time 3G
    8 h
    8 h
  • Standby time 3G
    120 h
    264 h

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