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Celkon A21
Celkon · phone

A21

Posh Kick Pro LTE L520
Posh · phone

Kick Pro LTE L520

3

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Launch

2
Announced
2014-01-01
2015-11-01
Status
Discontinued
Discontinued

Network

4
2G bands
  • T-GSM-900
  • R-GSM-900
  • P-GSM-900
  • E-GSM-900
  • R-GSM-900
  • E-GSM-900
  • DCS-1800
  • P-GSM-900
  • T-GSM-900
  • GSM-850
SIM
  • Dual SIM (Mini-SIM)
  • Dual SIM (Micro-SIM)
3G bands
–
  • B2 (1900 MHz)
  • B26 (850 MHz)
  • B5 (850 MHz)
  • B25 (1900 MHz)
4G bands
–
  • B2 (1900 MHz)
  • B4 (1700 MHz)
  • B17 (700 MHz)
  • B7 (2600 MHz)

Body

8
Height
124.8 mm
142.5 mm
Width
66.1 mm
71.5 mm
Thickness
10.8 mm
8.6 mm
Weight
115.3 g
130 g
Colors
  • Red
  • Black
  • Blue
  • White
  • Gold
  • Gray
Back material
Plastic
Plastic
Frame material
Glass
Glass
QWERTY keyboard
✕ No
✕ No

Platform

2
OS
Android 4.2.2 (Jelly Bean)
Android 6 Marshmallow
Chipset
Mediatek MT6582 (28 nm)
Mediatek MT6735P (28 nm)

Memory

3
Card slot
microSDHC
microSDHC
Dedicated card slot
✕ No
✕ No
Memory
–
  • 1GB RAM, 8GB

Display

8
Size
4"
5"
Resolution width
320 px
720 px
Resolution height
480 px
1280 px
Pixel density
144 ppi
294 ppi
High refresh rate
✕ No
✕ No
Display area
47.6 cm²
68.9 cm²
Screen-to-body ratio
57.8%
67.6%
Technology
TFT
IPS LCD

Main camera

5
Cameras
  • 3.15MP, No
  • 8MP, f/2.4, No, AF
Video
Yes
1080p@30fps
HDR
✕ No
✓ Yes
Panorama
✕ No
✓ Yes
Flash
–
LED

Selfie camera

3
Cameras
  • 1.3MP, standard
  • 5MP, No
HDR
✕ No
✕ No
Pop-up camera
✕ No
✕ No

Sound

3
3.5mm jack
✓ Yes
✓ Yes
Stereo speakers
✕ No
✕ No
Loudspeaker
✓ Yes
✓ Yes

Sensors

6
Gyroscope
✕ No
✕ No
Compass
✕ No
✕ No
Barometer
✕ No
✕ No
Heart rate
✕ No
✕ No
Accelerometer
✓ Yes
✓ Yes
Proximity
✕ No
✓ Yes

Connectivity

7
Wi-Fi
  • 802.11b (1–11 Mbit/s)
  • 802.11g (6–54 Mbit/s)
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • 802.11g (6–54 Mbit/s)
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • 802.11b (1–11 Mbit/s)
Bluetooth
Bluetooth 4.0
Bluetooth 4.0
USB
USB microUSB
USB microUSB 2.0
GPS
✕ No
✓ Yes
NFC
✕ No
✕ No
Infrared port
✕ No
✕ No
FM radio
✓ Yes
✕ No

Battery

4
Capacity
1500 mAh
2000 mAh
Type
Li-ion
Li-ion
Removable
✓ Yes
✓ Yes
Wireless charging
✕ No
✕ No