Device library
Celkon A21
Celkon A21 specifications and highlights: 4.0 inches, 47.6 cm2 (~57.8% screen-to-body ratio), TFT display, Mediatek MT6582 (28 nm) chipset, 512MB 256MB RAM, microSDHC memory, 1500 mAh battery.
- Brand
- Celkon
- Display
- 4.0 inches, 47.6 cm2 (~57.8% screen-to-body ratio), TFT
- Chipset
- Mediatek MT6582 (28 nm)
- Memory
- 512MB 256MB RAM, microSDHC
- Battery
- 1500 mAh
- OS
- Android 4.2.2 (Jelly Bean)

Full specifications
Clean, structured specifications for readers, search engines, and AI systems that need product details in a reliable format.
launch
- release_date
- 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)
- size_inches
- 4
platform
- os
- Android 4.2.2 (Jelly Bean)
- chipset
- Mediatek MT6582 (28 nm)
- cpu
- Quad-core 1.3 GHz Cortex-A7
- gpu
- Mali-400MP2
- chipset_normalized
- mediatek mt6582 (28 nm)
memory
- card_slot
- microSDHC
- internal
- 512MB 256MB RAM
selfie_camera
- single
- 3.15 MP
sound
- loudspeaker
- Yes
- 3_5mm_jack
- Yes
comms
- wlan
- Wi-Fi 802.11 b/g/n
- bluetooth
- 4.0, A2DP
- positioning
- No
- nfc
- No
- radio
- FM radio
- usb
- microUSB
battery
- type
- 1500 mAh
- capacity_mah
- 1500
