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Celkon A21
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Phone Insight
Full Specifications October 20, 2026
Celkon A21 Android 4.1
Celkon · 2014

Celkon A21

Celkon A21 Android smartphone. Announced 2014. Features 4.0″ display, MT6582 chipset, 3.15 MP primary camera, 1.3 MP front camera, 1500 mAh battery, 512 MB storage, 256 MB RAM.

Display 4.0"
Chipset MT6582
RAM 256 GB
Storage 512MB 256MB RAM storage, microSDHC slot
Camera 3 MP
Battery 1500 mAh
OS Android 4.2.2
Build 115.3g, 10.8mm thickness

Launch

Announced 2014. Released 2014
Status Discontinued

Platform

OS Android 4.2.2 (Jelly Bean)
Chipset Mediatek MT6582 (28 nm)
CPU Quad-core 1.3 GHz Cortex-A7
GPU Mali-400MP2

Display

Type TFT
Size 4.0 inches, 47.6 cm 2 (~57.8% screen-to-body ratio)
Resolution 320 x 480 pixels, 3:2 ratio (~144 ppi density)

Memory

Card slot microSDHC
Internal 512MB 256MB RAM

Main Camera

Single 3.15 MP
Video Yes

Selfie camera

Single 1.3 MP

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)

Battery

Type Li-Ion 1500 mAh battery
Stand-by Up to 120 h (3G)
Talk time Up to 8 h (3G)

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

Network

Technology GSM / HSPA
2G bands GSM 900 / 1800 - SIM 1 & SIM 2
3G bands HSDPA 2100
Speed HSPA

Features

Sensors Accelerometer

Misc

Colors Black, Blue, Red
SAR EU 0.99 W/kg (head)     1.39 W/kg (body)
Phone Insight phoneinsight.org/ Printed October 20, 2026

For live pricing, photos, and comparisons, visit phoneinsight.org/phones/celkon-a21/

In depth

Full specifications

Announced 2014. Released 2014
Status Discontinued
OS Android 4.2.2 (Jelly Bean)
Chipset Mediatek MT6582 (28 nm)
CPU Quad-core 1.3 GHz Cortex-A7
GPU Mali-400MP2
Type TFT
Size 4.0 inches, 47.6 cm 2 (~57.8% screen-to-body ratio)
Resolution 320 x 480 pixels, 3:2 ratio (~144 ppi density)
Card slot microSDHC
Internal 512MB 256MB RAM
Single 3.15 MP
Video Yes
Single 1.3 MP
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)
Type Li-Ion 1500 mAh battery
Stand-by Up to 120 h (3G)
Talk time Up to 8 h (3G)
Loudspeaker Yes
3.5mm jack Yes
WLAN Wi-Fi 802.11 b/g/n
Bluetooth 4.0, A2DP
Positioning No
NFC No
Radio FM radio
USB microUSB
Technology GSM / HSPA
2G bands GSM 900 / 1800 - SIM 1 & SIM 2
3G bands HSDPA 2100
Speed HSPA
Sensors Accelerometer
Colors Black, Blue, Red
SAR EU 0.99 W/kg (head)     1.39 W/kg (body)
Price About 60 EUR
PhoneInsight Benchmark
30.2/100
Entry-level

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 28.2
Display 42.5
Camera 29.7
Battery 32
117,947 hitsTotal views
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