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    Celkon A21

    • 4.0"
    • 3MP
    • 256MB RAM
    • 1500mAh
    NETWORK
    Technology
    GSM / HSPA
    2G bands
    GSM 900 / 1800 - SIM 1 & SIM 2
    3G bands
    HSDPA 2100
    Speed
    HSPA
    LAUNCH
    Announced
    2014. Released 2014
    Status
    Discontinued
    BODY
    Dimensions
    124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in)
    Weight
    115.3 g (4.06 oz)
    SIM
    Dual SIM (Dual stand-by)
    DISPLAY
    Type
    TFT
    Size
    4.0 inches, 47.6 cm2 (~57.8% screen-to-body ratio)
    Resolution
    320 x 480 pixels, 3:2 ratio (~144 ppi density)
    PLATFORM
    OS
    Android 4.2.2 (Jelly Bean)
    Chipset
    Mediatek MT6582 (28 nm)
    CPU
    Quad-core 1.3 GHz Cortex-A7
    GPU
    Mali-400MP2
    MEMORY
    Card slot
    microSDHC
    Internal
    512MB 256MB RAM
    MAIN CAMERA
    Single
    3.15 MP
    Video
    Yes
    SELFIE CAMERA
    Single
    1.3 MP
    COMMS
    WLAN
    Wi-Fi 802.11 b/g/n
    Bluetooth
    4.0, A2DP
    Positioning
    No
    NFC
    No
    Radio
    FM radio
    USB
    microUSB

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