- Black
- Blue
- Red
- 3 colours
Overview
Strengths
- —
Weak points
- Battery & charging0.6
- Performance & hardware1.2
- Connectivity1.8
- Display
- 4″TFT LCD320 × 480 px
- Design
- 115.3 g66.1 mm124.8 mm10.8 mm
- Performance
- MediaTek MT6582Quad-Core256 MB RAM512 MB
- Battery
- 1,500 mAh
- Cameras
- 3.15 Mpxselfie 1.3 Mpx
- Network
- 3G2G
- Software
- Android 4.2
Celkon
Technical specifications
Battery
- Battery Capacity
- 1,500 mAh
- Battery Type
- Li-Ion
- Talk time
- 8 h
- Standby time
- 120 h
Design
- Body Colors
- Black, Blue, Red
- Body Thickness
- 10.8 mm
- Body Width
- 66.1 mm
- Body Height
- 124.8 mm
- Weight
- 115.3 g
- Usable Surface
- 57.8 %
- Foldable
- No
- Rugged Build
- No
- Unfolded thickness
- 10.8 mm
Performance
- Processor Model
- MediaTek MT6582
- Processor Process Size
- 28 nm
- Graphics GPU
- Mali-400 MP2
- Maximum CPU Clock
- 1.3 GHz
- Maximum Storage Capacity
- 512 MB
- CPU Description
- Quad-core 1.3 GHz Cortex-A7
- Processor Type
- Quad-Core
- RAM Capacity
- 256 MB
- Expandable Storage
- Yes
Display
- Display Aspect Ratio
- 3:2
- Display Technology
- TFT LCD
- Display Diagonal
- 4″
- Display Horizontal Resolution
- 320 px
- Display Vertical Resolution
- 480 px
- Display Pixel Density
- 144 ppi
- Integrated Projector
- No
Sensor
- Sensor Features
- Accelerometer
Software
- Operating System
- Android 4.2
- OS Family
- Android
- OS Version
- 4.2
Connectivity
- SIM Configurations
- Dual SIM Dual Standby
- Cellular Bands
- 2G GSM 900, 2G GSM 1800, 3G UMTS 2100
- Cellular Technologies
- GSM, HSPA
- Wi-Fi Standards
- Wi-Fi 802.11 b/g/n
- Wi-Fi Features
- Wi-Fi 802.11 b/g/n
- Bluetooth Version
- Bluetooth 4.0
- Bluetooth Profiles
- A2DP
- Connectivity Features
- 3.5 mm Audio Jack, FM Radio, microUSB
- USB Version
- microUSB
- SAR (EU) head
- 0.99 W/kg
- SAR (EU) body
- 1.39 W/kg
Audio
- Audio Features
- A2DP, Loudspeaker
Automated technical index
NeoScore
NeoScore is an automated technical index based on verified specifications. It does not represent hands-on testing unless NeoTeo publishes a separate review.
Prices in United States
Selected variant
A21
NeoScore does not apply to this phone: its specifications do not cover enough categories, as with basic phones
A21
Camera system
Every physical camera module is shown separately, with its sensor, lens and capture capabilities.
Rear main camera
- Resolution
- 3.15 Mpx
Sensor
- Resolution
- 3.15 Mpx
Front main camera
- Resolution
- 1.3 Mpx
Sensor
- Resolution
- 1.3 Mpx
Compare the Celkon A21
How it stands against other models from the same brand, specification by specification.
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